<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
How are we suppose to answer this if there are no answers to pick from????
The Roosevelt administration began on March 4, 1933, when Franklin D.Roosevelt was inaugurated as the 32nd President of the United States.Policy makers in the u.s. first use fiscal policy with the intent of manipulating aggregate demand to move the economy to its potential level of real GDP was happening <span>during the Roosevelt administration. </span>
Answer: Britain
During the early 20th century, Britain was considered to be one of the most powerful and biggest empire on Earth. Almost one-fifth of the Earth's landmass is occupied or belong to Britain. The vast space that they has become a big advantage for them.
Although rice and maize are the two major staple crops of the region, wheat, millet, barley, potato, mustard and some other minor crops also make important contributions to hill agriculture. Rice can be grown virtually everywhere below 1800m on irrigated land, and maize on rainfed land up to an altitude of 2500m.