In 1960, Iran, Iraq, Kuwait, and Saudi Arabia joined Venezuela to form the Organization of the Petroleum Exporting Countries (OPEC). How did forming this

organization allow those four Southwest Asian countries to gain billions of dollars to

modernize their economies?

O By creating a surplus, OPEC nations were able to set the prices for oil.

By increasing demand, OPEC nations were able to set the prices for oil.

O By controlling supplies, OPEC nations were able to set the prices for oil.

By lowering demand, OPEC nations were able to set the prices for oil.

The government has the right to restrict the number of people who visit the white house. this is an example of a government exercising its

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates

It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or mathematics problems in order to maintain mental sharpness as they age. in fact, however, simply talking to other people—that is, participating in social interaction, which engages many mental and perceptual skills—suffices. evidence to this effect comes from a study showing that the more social contact people report, the better their mental skills. which of the following, if true, most seriously weakens the force of the evidence cited? (a) as people grow older, they are often advised to keep exercising their physical and mental capacities in order to maintain or improve them. (b) many medical conditions and treatments that adversely affect a person's mental sharpness also tend to increase that person's social isolation. (c) many people are proficient both in social interactions and in solving mathematical problems. (d) the study did not itself collect data but analyzed data bearing on the issue from prior studies. (e) the tasks evaluating mental sharpness for which data were compiled by the study were more akin to mathematics problems than to conversation.