The need for gunpowder and weapons led to:
The riots of 1791
The Storming of the Bastille
War with Austria/Prussia
The Declaration of the Rights of Man

the riots of 1791

Explanation:

all these except the last one caused the need for gunpowder and weapons but the riots of 1791 were the most popular

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

billygate was not one of the scandals