[Answer] 1. I am a very social, Old World, ground-dwelling monkey with a long dog-like snout, large teeth, and naked callosities on my buttocks. What on Earth am I?

Step 1 : Introduction to the question "1. I am a very social, Old World, ground-dwelling monkey with a long dog-like snout, large teeth, and naked callosities on my buttocks. What on Earth am I?"

...1. Woolly monkey 2. Baboon 3. Tamarin 4. Impala Callosities are thickened and hardened parts of the skin. These nerveless pads of skin make sitting more comfortable. Baboons live in hierarchical troops in Arabia and in the savannas of Africa. Other than man, they fear the lion and the hyena, but they will fight the leopard.

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).

[Answer] Who is the only U.S. president who was born in the state of Illinois?

Step 1 : Introduction to the question "Who is the only U.S. president who was born in the state of Illinois?"

...Ronald Reagan, the 40th president of the United States, was born on February 6, 1911, in Tampico, Illinois, making him the only U.S. president born in the state of Illinois. While several presidents are closely associated with Illinois—most notably Abraham Lincoln, who built his political career there and became a defining and enduring figure in its history, and Barack Obama, who served as a U.S. senator from Illinois and launched his national political rise from the state—both were actually born elsewhere (Kentucky and Hawaii, respectively).