Nile river. If you need an explanation ask.
The property rights component assesses the extent to which a country’s legal framework allows individuals to freely accumulate private property, secured by clear laws that are enforced effectively by the government. Relying on a mix of survey data and independent assessments, it provides a quantifiable measure of the degree to which a country’s laws protect private property rights and the extent to which those laws are respected. It also assesses the likelihood that private property will be expropriated by the state.
Cuba threatened to start a war between the United states and the Soviet Union. The Cuban Missile Crisis was the closest the United States of america and the Soviet Union came closest to War. Ultimately it was resolved peacefully.
Transportation: easier to travel especially is different weather conditions and distances
Medicine and biology: in biology you learn about living things and bacteria which helps with making vaccines
A system in which countries kept their sole right to trade with their colonies