Original name was Li Shimin the second emperor of the Tang Dynasty of China, he ruled from 626 to 649.
Answer:
The nullification crisis was a conflict between the U.S. state of South Carolina and the federal government of the United States in 1832–33. ... Calhoun, who opposed the federal imposition of the tariffs of 1828 and 1832 and argued that the U.S. Constitution gave states the right to block the enforcement of a federal law.
"at the time the scientific revolution, sources of knowledge dealing primarily with mathematics and astronomy were most often referred to.
I hope this helps ^-^
If the other side attacked first, and as long as no civilians are hurt.