Indochina, Only Indochina really repelled the Mongols.
The answer would be B.. Market
Market Economic system is an economy in which The decisions regarding any economic activity are based on market's supply and demand.
Unlike in command economic system where the government will tell their citizens exactly what to produce and what to sell, Market Economic system provided a free environment for the citizen to do whatever they want.
NB : Japan's industrialized free market economy is the second largest in the world
No, as it was not created in the time period that you are studying.
United Germany under Prussian rule by means of "blood and iron", came from Prussia's junker class (nobles) was prime minister for King William I but then became chancellor, master of realpolitik, NOT a German nationalist, rather his loyalty was to Hohenzollerns (ruling dynasty of Prussia) main goal was to bring more power to the hohenzollerns, strengthened army and led Prussia into 3 wars which increased Prussia's prestige and paved the way for German unity
B is the correct answer.
Legislators are elected by the people and if they are not well thought of by the people, it is unlikely that they will be reelected.
This ensures that legislators respond to the needs of the people but also proves problematic when the people are manipulated into a mob like frenzy.