How did advances in weaponry during the Hundred Years’ War contribute to the end of the Middle Ages?

Advanced weapons led to stronger monarchies and a weaker aristocracy.
Advanced weapons led to a stronger aristocracy and weaker armies.
Advanced weapons led to stronger armies and weaker monarchies.
Advanced weapons led to a stronger peasant class and weaker armies.

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)

i beleive a. is the only possible answer