What was the warning to European Countries to not try to colonize new lands in the Western Hemisphere called?

Read the opening line from a draft of an informative essay. which is the best revision of the sentence? trade between great britain and japan expanded as opium deals between the nations increased in the early 1800s. britain greatly expanded trade with china, increasing its opium exports more than five times in the early 1800s. britain’s expanded trade in opium led to export increases that were five times greater in the early 1800s. britain greatly expanded trade with china, which increased its opium exports more than five times in the early 1800s.

Why did china build the great wall of china?

Which word refers to an agreement between the states? a tariff a compact reserved power emancipation