Chandragupta Mayura first conquered the continent ( so by conquering could be an option), but then managed to introduce long-termn changes by reforms which lead to the modernization of the subcontinent, which is the right answer.
It was first celebrated in Canada, in 1882. It was brought to the US by the travelers from Canada and it became a national holiday in Canada in 1894.
Water is not made artificially, so when we get rid of water or pullute it, we are losing that natural recource, therefore making it limited.
Pretty accurate because the North (Union) won the Civil War . Mainly due to the fact that the South (Confederacy) lacked soldiers & supplies to fight anymore battles.