Answer is D Introduction of new plants and animals cause nobody had found the Americas until then hope this helps
I'm pretty sure it's either A or D, sorry that i'm not the greatest help
Answer:
The field of political economy is the study of how economic theories such as capitalism or communism play out in the real world. Those who study political economy seek to understand how history, culture, and customs impact an economic system
Answer:
They destroyed nearly 900,000 German and Italian troops
