4. Why is it said that the kingdoms of Castile and Aragon were a double monarchy?

Spain - Spain - The rise of Castile and Aragon: Alfonso VII subverted the idea of a ... The other Christian monarchs, acknowledging that the Almohads threatened them ... Using the combined resources of the two kingdoms, Ferdinand conquered ... other peninsular kingdoms were first manifested when John claimed Portugal ...

Explanation:

it was made because he wanted to try to make people convert as well people who would have read or studied this item at the time it was created were probably people who wanted to change religions who thought conversion was a good idea.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation: