ANSWER QUICKLY PLEASE!! What was an effect of the marriage of King Ferdinand and Queen Isabella?

It increased fighting between the kingdoms in Spain.
It united Christian kingdoms to form the country of Spain.
It made it easier for the Umayyads to fight against Spain.
It ended religious and political conflicts in Spain.

Read the aphorisms. be slow in choosing a friend, slower in changing. an open foe may prove a curse; but a pretended friend is worse. a true friend is the best possession. according to these aphorisms from benjamin franklin's poor richard's almanack, what might happen if a person is careless in choosing a friend? it is best not to have friends because they will usually betray you. casual friends are often the best and can be more trusted than enemies. a person who has betrayed you can sometimes become a good friend. a friend who is not carefully chosen can be worse than an enemy.