Answer: I believe it is B.
Explanation:
the Construction of pyramids was during the old kingdom as was the growth of the nations most Important religious site (ra). And strong government was constructed during Early Dynastic Period.
Entangling alliances grew the small conflicts instantly.
When Austria-Hungary attacked Serbia for just the region of Bosnia-Herzegovina, automatically Russia and Germany were in the war.
A: I looked it up on google
Answer: A.)
Explanation: The Columbian exchange, also known as the Columbian interchange, named for Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, and ideas between the Americas, West Africa , and the Old World in the 15th and 16th centuries.
