Match the civilization with its contribution.

1.Chaldea unsurpassed fabrics

2.Persia world's first aqueduct

3.Babylonia plow with a metal tip
4.Assyria developed astronomy
5.Sumer established the first schools

Why did students gather in tiananmen square on june 4, 1989? on june 4, 1989, students gathered in tiananmen square to mourn the death of the pro-reform leader .

Why did america oppose the axis powers

Why didn’t the united states participate in the league of nations? the u.s. senate did not want the country to join. president wilson did not want the country to join. the league of nations was only for european countries. the league of nations had failed to prevent world war 1