What did the Sumerians invent? the wheel spears warfare the compass

They had invented the wheels.

Explanation:

They didn't create warfare nor spears. They created harpoons, but not spears.  Plus warfare was going on before them, so we can easily exit that one out as well. Then the compass. They didn't create that either, but they did create, The wheel, the plow, metallurgy, and cuneiform.

The Answer Is "The Wheel"

I Hope It's Helpful :)

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !

maybe you need to work on the pipes in the house. i am just saying this because you did not give any details.