Select all the correct answers. Which TWO of the following are direct effects of the September 11 attacks?
The killing of Osama bin Laden

The Paris attacks of 2015

The rise of Hamas in Israel

The introduction of the USA Patriot Act

The formation of ISIS

Which statement best describes a significant cause of world war ii? o a. the economic boom that followed world war i allowed countries to build up huge militaries. o b. the treaty of versailles, which ended world war i, left lasting resentments in many countries. o c. the rise of imperial states in asia caused european powers to unite for their common defense. o d. the league of nations encouraged european states to form secret military alliances.