Why did the marriage of ferdinand and isabella unify spain? a. there were no kings or queens in spain until their marriage. b. they came from humble backgrounds, so everyone could relate to them. c. they led the reconquest of spain from centuries of christian rule. d. they were from different geographic and cultural parts of spain.

The marriage of Ferdinad and Isabella helped unify Spain because they were from different geographic and cultural parts of spain. Therefore, D would be the correct answer choice.

judaism, christianity and islam, are all abrahamic religions and therefore have in common the hebrew idea of a single god which is the source of all morality. the idea of the covenant is only related to judaism, while dharma is a concept of indian religions and the four noble truths are basic principles of buddhism.