Answer:
This made double-cropping possible in some areas, and in some places, even triple-cropping became possible ... the hardiness and productivity of various varieties of rice were and are in large part responsible for the density of population in South, Southeast, and East Asia.
I believe your answer is The Roman Empire
Samurai served their Shogun.
Hope this helps.
Answer:
Fascism
Explanation:
World War 2 began when Britain and France declared war on Nazi Germany two days after they invaded Poland.
