Some species of plants and animals flourished in both areas, and some did not. There were many new animals and plants in the Americas that Europeans had never seen. And, Europeans brought plants and animals to the New World that America had never seen. The Colombian Exchange was also a cultural exchange. New agricultural developments were traded, economic activity and opportunities opened up between the New and Old Worlds, and new ideas were exchanged. The ability to grow corn and potatoes. These two starchy foods, high in nutrients kept many Europeans from starving. Some of the things that Native Americans received as a result ofthe Columbian Exchange are as follows: . Horses . Firearms (beginning with muskets) . Textiles to use for clothing and ornamentation (although manySouth American Indigenous Peoples, such as the "Inca," already wereweaving their own textiles at least a century before the arrival ofthe Europeans).
The three fifths compromise was an agreement on how to count slaves for the purposes of taxation and Congressional representation. A slave would count as 3/5 of a person.
High productivity growth played a key role in postwar economic growth. The highly skilled and educated labor force, extraordinary savings rates and accompanying levels of investment, and the low growth of Japan's labor force were major factors in the high rate of productivity growth.
I don't know if this is one of your options but it is correct