It was the "Transcontinental railroad" that great helped to further the Westward Expansion in the United States after 1865, since although it wasn't oficially completed until 1869, it began to reach further and further west beginning at this time.
Sir Syed played a vital role in the educational uplift of the Muslims in India. He did the following things to improve the educational standards: ... Set up Muhammadan educational conferences in 1866 to raise the standards of education.
I think the answer is letter <span>B. Democracy spread, and the United States became the world’s sole superpower
The fall of USSR had allowed democracy and independence amongst the countries that were under the USSR. Gorbachev unknowingly gave people the right to express themselves. With USSR down, the US was able to stop the cold war and become a superpower.
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This answer was hard for me but i think it is either Rift Valleys or Faults
