Because romans were Christians and they expected their leader to be one
Clovis had protection and it was not likely for him to be overthrown in the name of religion.
The Allies invaded the Mediterranean because they wanted to remove Italy from axis powers. Axis powers are nations that fought in the WW2 so they basically didn't want Italy to fight in the war.
This is definitely false. Gymnosperms do use seeds but are exposed like the pine cones of pines. Angiosperms still have seeds, however, they flower or fruit (which can are seeds).