congress has powers over lower federal courts in that it can define and redefine these courts mandates, and establish their jurisdiction or reexamine it. These powers are provided to congress by the constitution specifically in the exempting clause.
When people are treated poorly based on their race or skin color
<span>The site of a major French military defeat in 1954 in Vietnam; French pulled out of Indo China; other countries from the West had to take a stand on Communism in Vietnam</span>