The Monroe Doctrine encouraged Americans to settle new territory. What happened when Americans moved into the area that is now Texas? 1. The expansion caused Spain and Portugal to invade the Gulf of Mexico.

2. American Indians there wanted to join the United States.

3. The expansion westward later led to the Mexican-American War.

4. Settlers wanted to unify under Spanish rule and separate from the United States.

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.

a marriage ending by the death of a husband or wife.

explanation:

i don't see your choices but i'm just gonna give you my answer.