What challenge did newly independent countries have to face as a result of unchanged colonial boundaries? The boundaries ignored the presence of mountains and rivers. The boundaries often put rival ethnic and religious groups in the same country. The boundaries put together people who had no desire for independence. The boundaries ignored ways for countries to have access to the world’s oceans.

couples could only have one child to reduce the population growth.

i would think i'ts d hope this out

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.