Use geographic terms and tools to explain why ancient civilizations developed networks of highways, waterways, and other transportation linkages.
why did all incan roads lead through cuzco?

a. cuzco was the capital and the center of life in the incan empire.

b. cuzco had the most fertile farming land.

c. cuzco is where merchants from other civilizations came to trade.

d. cuzco was on flat land and easy to access.

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.

arianism, proposed by arius in the third century ce, proposed that jesus christ could not be god because god himself is unique and immutable. this would mean that jesus christ was created by god and therefore lesser. this was considered heretical and banned from orthodoxy, but caught on in germanic cultures. developed approximately around 500 bce by gautama buddha in northeastern india, buddhism first spread to central asia and southeast asia after a few centuries.   shortly thereafter it spread into china, korea, and japan. although initially rome's government persecuted early christian communities, the roman emperor constantine tolerated christians and even converted to christianity himself; christianity became the official state religion. the athenian empire and the nabataeans existed before christianity. the hunnic empire, a great enemy to rome, was never christian. the mongol empire had a christian population that was tolerated but was never officially christian.