How did the Colombian exchange shape the development of colonies, such as New Spain, New France, and Barbados

The Columbian exchange helped colonies by bringing them new crops and animals that would improve their nutrition and health.

It also harmed colonies by bringing deadly diseases like smallpox.

Explanation:

Some of the crops and animals brought to these colonies include bananas, cattle, citrus fruit, and various grains. These food items helped the colonies' populations grow and improve their nutrition.

However, diseases like smallpox, influenza, and measles were deadly because the colonists did not have any natural immunity to these diseases since they had never encountered them before. These diseases killed millions in years.

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.

the soviet union wanted to impose communist governments in eastern europe.