Answer:promoting an ethnically homogeneous society through restrictions on immigration. What was one reason for the expansion of machine politics in the late 19th century? the rapid influx of immigrants made it difficult for local governments to provide basic services.
Explanation: Hope this helps you~! <\3
Perception of what state?
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.
