What led king john i to sign the magna carta?

a )he disagreed with the archbishop of canterbury about the pope.
b) he wanted to maintain peace with the nobles.
c) nobles liked henry viii better.
d) john i, a french prince, stole the crown from henry iii.

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his

b or c im pretty sure