An executive agreement does not require a 2/3 vote by the Senate and therefore without Congressional approval an agreement can be reached more quickly.
An advantage of an executive agreement is a quicker process for reaching an agreement with a foreign power. In a situation where violence could or is occurring, an executive agreement could be necessary to resolve the situation.
A disadvantage is a lack of Congressional support. A treaty needs a 2/3 Senate approval showing the people and another branch of the government are supporting an agreement with a foreign country. If Congress does not get a chance to support the agreement, it may be difficult to create laws or provide money to the agreement when it goes into effect.
An advantage is that it takes way less time to do it than to create a formal treaty since the President would not need consent from the congress for an executive agreement. A formal treaty can, however, last longer because it is more difficult to cancel, so if it's good, then it is also safer for it to be formal.
The Gulf of Tonkin resolution affected the balance of power between the President and Congress by giving the President authorization, without a legitiment declaration of war by Congress (pg. 796). A bomb that sends pieces if its shell flying in all directions. this maximized the damage and kill and maimed may people.
The economy in the south depended on slavery for the cotton growing areas and slave trading. Slavery has played a huge role in the Southern Colonies in developing economical and society choices in the 1600s-1800s. ... They made their money by making the slaves to do their work and get much profit in return.