The following are sumerian inventions, except
a.
a base 10 number system
c.
writing
b.
the plow
d.
the wheel

The correct answer is A: A base 10 number system. I just did a quiz with this and this answer was correct.

A.

Explanation:

Sumerians first invent cuneiform, then they invent wheels, and lastly they invent plows. So they did not use base 10 numbers yet.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.