D. To increase their influence in the world
B. Biosphere (not too sure)
racial segregation was strictly enforced, <span>The civil rights movement was still in its infancy. Laws ensuring voting rights and equal access to jobs and public facilities were decades away.</span>
An amendment is a formal or official change made to a law, contract, constitution, or other legal document. ... Amendments can add, remove, or update parts of these agreements. They are often used when it is better to change the document than to write a new one.
I think the answer is C because other choices doesn't really make sense. Especially choice A. Hope this helped.
