The Tet Offensive Apush.
It was an attack during the Vietnamese New Year.
The Kepler theory about Planets
Building dams on the Chagres river to create Gatun lake
To my mind the correct option is C. European, Asian, and African plants became a part of the American environment.
The Columbian exchange, also called the Columbian interchange, a name tha received 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.
Answer:
the effect is the USSR took even greater control of its satellite countries