The answer is urbanization.
The correct answer is B. Andrew Jackson.
Andrew Jackson was the president who was responsible for expansion of presidency powers by use of executive orders.
He was the statesman and American soldier and was the seventh president of United states.
He gained his famous when he advanced the rights of common man against corruption in order to preserve the union.
Even after his retirement as a president he remained active in politics for the democratic party whereby he supported Martin Van Buren.
In his death he left a legacy as an advocate for democracy and also for the common man.
Horace Mann invented school and what is today the United States' modern school system. Horace was born in 1796 in Massachusetts and became the Secretary of Education in Massachusettes where he championed an organized and set curriculum of core knowledge for each student.
2 I think Nepal and India I’m not really sure