Who was Harriet Tubman?

How many slaves did she help escape?

Harriet Tubman was an African-American abolitionstarian, and union spy during the American civil war. Born in slavery, Tubman escaped and subsequently made more than nineteen missions to rescue more than 300 slaves using the network of antislavery activists and safe houses known as the underground railroad.

Explanation:

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

sam houston basically made tx he fought for anrew lead troops in the battle of san jacinto and then became president and james polk