What must happen for a treaty between the United States and another country to go into effect?

it must be approved by two-thirds of the Senate before it goes into effect.

Explanation:

The United States Constitution provides that the president "shall have Power, by and with the Advice and Consent of the Senate, to make Treaties, provided two-thirds of the Senators present concur" (Article II, section 2). Treaties are binding agreements between nations and become part of international law.

i think its provide for the common defense

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.