What was the purpose of the 1940 Smith Act?
a. to make it unlawful to teach or advocate the violent overthrow of the U. S. government
b. to create a blacklist of people who should not be hired because of their communist ties
c. to authorize public hearings on communist activities in the United States
d. to permit government agencies to screen federal employees for disloyalty

A) to make it unlawful to teach or advocate the violent overthrow of the U.S. government

Explanation:

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: