Why did USA join the First World War?

Explanation:

USA joined WWI because, Germany was a big power, and they sank US merchant ships coming to Britain, and led US to see what's happening.

the U.S.A joined the first world war because Germany sank plenty of the U.S merchants in british isles

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.