The terrorist´s main goal in committing the September 11, 2001 attacks was to cause terror within the frame of massive casualties in a scenario happenning inside the United States. Seen as a symbolic goal, it is rooted in many causes as stated by some of the terrorists´leaders, like the support of Israel by the United States; United States military presence in Saudi Arabia,etc.
Similarities: the north Koreans and the Vietcong were communist, the Russians back both the north and south. Both are examples of the US following it's containment policy.
difference: Vietnam was dense jungle warfare.
Answer:
Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress.
Explanation: