C. huge tunnels were built for sewer lines
I am thinking separation of powers
Their planting seasons probably had to do a lot with when they thought their gods changed the seasons.
On June 6, 1944, our naval base in Pearl Harbor was attacked.
Wilson wanted to created lasting peace across nations, so aimed for the creation of the League of Nations(later known as UN). The United States never joined it, and many people didn't want the country getting involved in foreign affairs
