Al-qaeda's main targets on september 11, 2001, were boston, pennsylvania, and new york city. pennsylvania and washington, dc. new york city and washington, dc. boston, new york city, and washington, dc.

NYC & Washington D.C

Explanation:

Pennsylvania was accidental because a hero tried to attack the hijacker which landed on a open field.. Al Qaeda tried to attack the Octogan.

   New York City and Washington, DC.

Explanation:  The main target of the terrorist attack on 11 September 2001 by Al Qaeda was the World Trade Center in New York, and the Pentagon in Washington. The attack in New York was carried out with two kidnapped passenger planes, with each of the planes aiming at one of the Trade Center buildings. The attack in New York was carried out with two kidnapped passenger planes, with each of the planes aiming at one of the Trade Center buildings. On the same day, an attack on the Pentagon in Washington was carried out when a part of the Pentagon was damaged.

branches of government. to ensure a separation of powers, the u.s. federal government is made up of three branches: legislative, executive and judicial. the legislative branch is made up of the house and senate, known collectively as the congress.

b.   jim crow laws were enacted in northern states.