The conflict between Henry IV and Gregory VII Concerned the question of who got to appoint local church officials. Henry believe that, asking, he has the right to a point the bishop of the German church. This was known as lag investiture.
Hope that helped
Christopher Columbus was instructed by the King, and Queen of Spain to travel to the new world in search of valuable natural resources. Columbus had his own inclinations to travel being that the idea that the world was spherical had not yet been a well accepted fact.
If you looked at google, it would day Francisco was a Spanish conquistador and explorer who led a large expedition from mexico to present day kanas through parts of the southwestern united states between 1540 and 1542
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~pluto100