What factors contributed to the development of population policies during the 20th century?

There was many factors that contributed to the development of population policies during the 20th century. For example, the demand for labor force increased. Also, people from 3rd world countries started to migrate to different countries in search for a better life for them and their families. And, the fertility rates started to decrease, mostly through the first half of the 20th century. Also, because of the world wars that happened, it started a huge migration movement that caused a lot of people to migrate into new countries.

explanation:

select the correct answer from each drop-down menu.

different sources are aimed at different audiences. sometimes a source can be directed at more than a single group of usually aimed at the general population across the globe. some sources may have a very specific audience. be specifically aimed at students or scholars with a background in literature.

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: