Answer:
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, the Old World, and West Africa in the 15th and 16th centuries. The impact was most severe in the Caribbean, where by 1600 Native American populations on most islands had plummeted by more than 99 percent. Across the Americas, populations fell by 50 percent to 95 percent by 1650. The disease component of the Columbian Exchange was decidedly one-sided.
They were against it, and thought that it was too lenient for Germany and such.
Different ideas, cultures, religions, lots of factors.
In a mixed economy both market forces and government decisions determine which goods and services are produced and how they are distributed. ... In a command economy, also known as a planned economy, the government largely determines what is produced and in what amounts.
The two events that spurred the need to chart new maritime routes are the following : Europeans developed the economic system of mercantilism and needed reserves of gold and silver ; and Europe witnessed a period that historians refer to as a "dark age."