What was an effect of the marriage of King Ferdinand and Queen Isabella? A It increased fighting between the kingdoms in Spain.
B It united Christian kingdoms to form the country of Spain.
C It made it easier for the Umayyads to fight against Spain.
D It ended religious and political conflicts in Spain.

B It united Christian kingdoms to form the country of Spain.

Explanation:

King Ferdinand and Queen Isabella's marriage helped to unite Spain by the use of Catholicism.

They removed Muslims and News from their lands and began to have trials of heretics which helped consolidate their power base.

1.3x - 2 - (3.3x + 5) = 2x + 1

1.3x - 2 - 3.3x - 5 = 2x + 1

-2x - 7 = 2x + 1

-7 = 4x + 1

-8 = 4x

x = -2

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