Answer:
The Monroe Doctrine was successful in keeping the United states out of European affairs because after it was issued there was a decrease in foreign conflict for nearly 100 years until WWI.
Explanation:
I THINK THE MAGOR COLONIZERS FROM EUROPE WAS THE FRANCE PEOPLE
The Great Depression and World War II brought increasing economic woes to South Africa, and convinced the government to strengthen its policies of racial segregation. In 1948, the Afrikaner National Party won the general election under the slogan “apartheid” (literally “apartness”).