In what ways did the united states and other countries seek to make the world better after world war ii? (select all that apply.)
a) uniting europe under the league of nations
b) rebuilding war-torn countries
c) establishing the united nations
d) accepting the debt of war-torn countries

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

b) the confederacy had to pay all union war expenses.