A would be the correct answer!
After Japan’s attack on Pearl Harbor, the U.S. entered the war and joined the allied forces
<span>General Vo Nguyen Giap, leader of the Communist People’s Army of Vietnam (PAVN), planned the offensive in an attempt both to foment rebellion among the South Vietnamese population and encourage the United States to scale back its support of the Saigon regime.</span>
The <span>transcontinental railroads </span>provided a excellent trade rout between states with few roads
The answer to this question is the letter D which is both a and c. The committees which is mean function is to discuss and iron out different regarding the submitted bills by the Senators and this committees are composed of the following; members of th elegislative and the community members with expertise on the subject. Therefore, the answer is letter D. both a and c.