<span>Increased involvement because it allowed the US President to make military actions, like increase troops, without formal declaration of war.
The Gulf of Tonkin Resolution, passed by Congress in August, 1964, after alleged attacks on two US naval ships in the Gulf of Tonkin. The key wording in the resolution said:
<em>R</em></span><span><em>esolved by the Senate and House of Representatives of the United States of America in Congress assembled, t</em></span><span><em>hat the Congress approves and supports the determination of the President, as Commander in Chief, to take all necessary measures to repel any armed attack against the forces of the United States and to prevent further aggression.</em>
That resolution served as a blank check for President Johnson to send troops to whatever extent he deemed necessary in pursuance of the war. Between 1964 and the end of Johnson's presidency in 1969, US troop levels in Vietnam increased from around 20,000 to over 500,000.</span>
The declaration of Independence was to declare Independence from great Brittan. they were basically tired of King George the third and said that they were thier own independent country. they later sent that to king george the third with everyone's signature. after the declaration of Independence was signed in soon to be America, the church bells rang and almost all that heard the bells rejoiced.
It's funny i was ask this question just yesterday and the answer is C. the empire had grown so large that the ruler decide to split it