Which mongol khan led the first successful large-scale winter invasion of russia in history?
a) kublai
b) batu
c) genghis
d) tolui

ok sorry the answer is a. by their religion

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.

to extend a country’s power and influence

that would be the steamboat because none of the other things are forms of transportation