In a lifestyle based on agriculture rural people lived in small bonds of 25 do 250 people. True or false

What from the columbian exchange had perhaps the biggest impact on the world?

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient

Brainliesttt !me : ) describe the responses to terrorism in the united states.