The current U.S. government is called a federalism, which gives the government the power the override state laws with the U.S. Congress.
Answer:c) He opened first Publishing house in England
Explanation:
William Caxton is known for the introduction of Printing Press first time in England. He was also the first English retailer and translator of printed books.
When he moved to burges, he became an important member of the merchant community. He printed more than 100 books during his lifetime. He had knowledge of French, Latin and dutch which he uses for translation.
the armies couldn't be unified to stop an enemy from attakingand made them seem weaker and easier to invade