Because LBJ, under the Tolkien Resolution, was given basically infinite power to protect U.S interests in Vietnam. Thus, President Johnson continued to "escalate", or build up American forces, weapons, and intervention in Vietnam. Now, somewhat opposite of this would be "Vietnamization" under Nixon, which was the gradual withdrawal of American troops but a continuation of supplies in order to aid South Vietnam from the Vietcong.
Answer:
The four enemies that the ancient Romans successfully battled are: Samnites, Celtics, Etruscans, and Carthaginians.
Explanation:
The 1920s in the United States, in the years leading up to the great crash of 1929, were a period of rapid economic development, brought about in many ways by mass production during and after World War I. A rebirth of advertising allowed more of these goods to be purchased, which greatly increased US GDP.