Why were the radical republicans angry with lincoln and johnson?

a. they wanted to hold a new presidential election.

b. they agreed that the presidents were too tough in the south.

c. they thought the southern states deserved harsh punishment.

d. they disapproved of the way johnson completely ignored lincoln's plans.

can you post options so i can ?

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).