Answer:
US in WWI. Albeit World War I started in 1914, the United States didn't join the war until 1917. The effect of the United States joining the war was critical. The extra capability, assets, and troopers of the U.S. assisted with influencing the equalization of the war for the Allies.
Answer:
The gap between rich and poor people increased
Answer:
Right choice:
It allowed President Johnson to expand U.S. involvement in Vietnam.
Explanation:
The Gulf of Tonkin resolution was the Congress response to an alleged North Vietnamese attack on U.S. vessels in international waters of the gulf in 1964. It gave great, additional powers to president Lyndon B. Johnson. It authorized him "to take all necessary measures" to repeal attacks on US forces and "to prevent further agression" from the communist North Vietnam. The congressional resolution sanctioned the administration´s intentions to escalate U.S. military involvement in Vietnam, according to historians.