Which three achievements can be attributed to the Harappan civilization in the Indus River Valley! O Architecture built with bricks Aqueducts for access to clean water System of cataracts on the Indus River Sewer systems in the city Roads arranged in grid-systems Arches built with concrete

The Indus River Valley civilizations were built on a grid and had the first sewer systems. They also had houses/buildings made of brick

Explanation:

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.