The elements fluorine, chlorine, and iodine are all part of the same on the periodic table.
a. row
b. diagonal
c. group
d. period

imma say A.  An oligarchy is a power structure that allows a few businesses, families, or individuals to rule. Those few ruling members have enough power to create policies that benefit them to the exclusion of the rest of society. Three of the most well-known countries with oligarchies are Russia, China, and Iran Most Greek oligarchs were aristocrats, rich men who had inherited land from their families. A few oligarchs were wealthy merchants. Compared with the poor, oligarchs had very comfortable lives. They often spent their days either hunting or taking part in chariot races.

Explanation: