Answer:
Following a voyage to the Americas by Cristopher Columbus in 1942
Explanation:
The Supreme Court case that found the use of the grandfather clause unconstitutional is the Guinn v. United States, 238 U.S. 347 (1915). In its decision, the Supreme Court ruled that the grandfather clause<span> exemptions to </span>literacy tests<span> were unconstitutional. It declared the grandfather clauses as </span><span>repugnant to the Fifteenth Amendment and therefore null and void.</span>
A. Martin Luther King Jr.
-Awarded in 1964 for his leadership in the civil rights movement and achievements of racial justice
North Vietnam (aka communist Vietnam) gaining control of the government, and caused American troops to leave Vietnam
Political conservatives were worried about people being upset due to the large number of US soldiers(117,000) who died fighting in WWI.