The Columbian Exchange was a transfer of people, goods, and ideas between . the Eastern and Western hemispheres

Asia and the Americas

Africa and the Americas

the Northern and Southern hemispheres

the Eastern and Western hemispheres

Explanation:

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.

that was the type of government the spanish colonists were used to.