The silk road was important because
a. it was the route followed by confucius.
b. it enabled silk made in the west to be brought to china.
c. it was a military route followed by chinese armies.
d. it was a trade route that connected china with the west.

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles

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.