How did the economy of China change during the Zhou Empire? • China’s economy stalled as battles among warlords disrupted planting and destroyed crops.
• China’s economy contracted as normans from the north raided villages and threatened cities.
• China’s economy was threatened by Huang River floods, resulting in widespread famine.
• China’s economy expanded as farmers using iron tools were able to grow more food.

Explanation:

The answer is China economy contracted as Norman's from the North raided village and threatened cities. China economy expanded as farmers using iron tools were able to grow more food

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.

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.