Answer:
Longitude , C is the answer
Explanation:
She began teaching school at age 14. In 1819, she returned to Boston and founded the Dix Mansion, a school for girls, along with a charity school that poor girls could attend for free. She began writing textbooks, with her most famous, Conversations on Common Things, published in 1824.
Answer:
trade
Explanation:
they traded to expand the empire
I have to say B. The rest were concepts made in Greece, by Greek philosophers, politicians, or mathematicians. An example for an advancement in math is the Pythagorean Theorem. I hope this helps!
