As of 2018, which region of the world has hosted the most UN peacekeeping missions?

Which of the following describes interest groups whose members have only a tenuous connection to the group and only occasionally act as a group?

a. centralized groups b. open groups c. amorphous groups d. factitious groups

__________ broke new ground in expanding executive power by ordering drone strikes that caused the deaths of some 3,000 people, including four American citizens

a. President Barack Obama b. President Bill Clinton c. President George H. W. Bush d. President George W. Bush