Settlement patterns in the Columbia Basin have been most affected by what region’s A. mountains. B. rivers. C. forests. D. coastline.

he sent troops to protect the students as they entered the school.

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.

that was the type of government the spanish colonists were used to.