US Civil War (american civil war) 1861-1865
Vietnam War 1961-1971
hopefully that helped some?!!<span />
The hardship of a country, example: poverty, crime rate
immigrating would lead to discrimation due to race but a better life if employed
Answer:
The correct answer is option D. "moving from one country to another".
Explanation:
There are different types of migration depending on the geographical place where people move and for how long. External migration is defined as people moving from one country to another either permanently or for a long period of time. External migration is comprised of two concepts: emigration, which is the exit of people from their country and; immigration, which is the enter of people into another country.