Answer:
Apartheid was used by South Africa. Apartheid was a political system that was active ruing the time when the white minority ruled the country. It focused primarily on the skin color of people and discriminated non-whites. It ended in the early 1990s. Segregation existed in South Africa for a long time before the 20th century but with apartheid it became institutionalized.
Answer:
Birth rate.
Explanation:
Countries such as Japan are dealing with a low Birth Rate, meaning the population is aging due to the lack of births to lower the average age.
Answer:
their closer together while still the same form
Explanation:
they have moved closer together causing the land to collide more with the other side making the river smaller. It keeps the same shape just combined tighter.