<span>It is to defend the collective security of member states. Your very welcome on this!</span>
Explanation:
he/she or the old lady become an integral part of the fight for equal in American education
When USA stopped selling oil and scrap metal to Japan.
Japan got slowed down in CBI.
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.