To what extent did the conquests the Mongols alter the political, social, and economic landscape of Eurasia?

answer; /// i do believe that its napolean's conquest of spain;

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.