Answer:
American neutrality
The president insisted that all government actions be neutral, and that the belligerents must respect that neutrality according to the norms of international law.
The Americans helped the British Empire, French and Portuguese forces defeat and turn back the powerful final German offensive, also the Americans played a role in the Allied final offensive
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Plumbing was more of a luxury/comfort for people that also made their life easier. Baths were common and were usually taken while standing up in public baths. Bathing was also used for ceremonial purposes in religious services and rituals. Toilets were only limited to those who could afford them, so the upper class. Lower classes used urns or sump pots. Upper class toilets were stacked bricks with a hole that would drain out. Plumbing on the 2nd floor though was led by pipes to the streets. Limestone was used to prevent leakage.
The power is divided between the national and state governments
