Answer:
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:
The Etruscans ruled time for about a cubtury. The answer is A. 10
The evacuation of Dunkirk
One is the social reform movement.
George Washington is the first president of the United States. Then he elected unanimously by the electoral college after leading the continental army from the Revolutionary War.