Legal system in which the spanish crown attempted to define the indian population in its american colonies
The rule of the Zagwe Dynasty is the correct answer.
The event that helped give Christianity a permanent place in Ethiopia was the rise of the Zagwe Dynasty. Even though, during colonialism, Europeans were the ones who spread Christianity in Africa, Ethiopia wasn't included in that. The adoption of Christianity in Ethiopia happened via merchants that resulted in the conversion of Frumentius and consequently led him to become the first bishop in Aksum. The Zagwe dynasty kept the cultural traditions of Aksumite state and let Christianity remain as the official religion in that country.
The 8th president of the United States was Martin van Buren, of Dutch descent, from the democratic party, who was also the first president born a United States citizen.
The treaty of versailles was unfair towards Germany, so that would probably the spark on the western front.
Hitler prepared rather long for an all out war, he took parts of former germany back in peace. Later the USSR (union of Russia and a lot of other countries) took Poland together. (they had a non-attacking treaty). With attacking poland, France and the UK declared war and Germany took over France, Belgium and Holland almost instantly