Which was common feature of feudal societies in Japan and Europe? O domination by a military class
strong central government
extensive contact with citizens of other countries
O
opportunity for social mobility

it would be domination but a military class out of the four options because the other three don’t fit.

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

the name of the theory is landmass theory.