The one that is the msot effective to include is <span>US victory in the Spanish-American War in 1898.
</span><span>US victory in the Spanish-American War in 1898 basically help the majority of South American region to obtain their independence in the spanish.
This result of this war opened up a mutually beneficial relationship between us and southern american nations in term of trades, resources exchange, millitary alliance, etc.</span>
They both believed in the Theory of Relativity. Also, the ideas of gravity as well as movement.
1.
an ancient region in W Asia between the Tigris and Euphrates rivers: now part of Iraq.
Answer:
Your correct answer is B. Is elected by the majority of popular votes of its citizens.
Hope this helps you!
Good luck with your Assignment/Quiz/Test!!
Don't forget to mark as Brainliest!! :)