C) he was involved in a lot of political crimes and resigned before he was impeached
It transported livestock, crops, and diseases among Africa, Europe, Asia, and the Americas.
The Columbian Exchange was the exchange of items which began during the period of exploration in the 15th century.
The Columbian Exchange moved crops from the Old World to the New World and vice versa. Tomatoes, potatoes, corn, and pumpkin were all transferred to Europe becoming staple food crops for many countries. Europeans brought disease, domesticated animals, rice, onions, and sugarcane to the Americas. Africa was introduced to new foods and manufactured items in exchange for slaves to work plantations in the New World.
They were drastically different. Hopes this helps
The opposite of professional military force is a civilian. hope that helped