The Columbian Exchange was when the old world (Europe) trade with the new world (America) items. for example: Old World had horses. So if Europe never came to America... we wouldn't have them. Or new world had tomatoes. If Europe didn't have tomatoes... We wouldn't have pizza or delicious Italian goods.
The homestead act help the western migration by providing 160 acres of land.in exchange, the homesteaders paid a small fee and were required to 5 years of residence before having ownership of it. I hope this will help you.
The Mediterranean Sea (B)
