In a brief paragraph, outline the ways in which OPEC is a trade barrier? PLEASE HELP THIS IS URGENT

OPEC can be observed as a trade barrier because it could hypothetically completely exclude a country from trading with countries that produce oil and this would make life much harder for those countries. For example, OPEC introduced an embargo on the US in 70s and there was a huge spike in gas prices and a shortage of fuel.

Explanation:

food and resources were plentiful.

women were encouraged to marry later in life so they could work in factories.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.