According to the Mandate of Heaven A. citizens must pay high taxes to ensure that the current ruler keeps the approval of the gods. B. natural disasters are a sign that the ruling power has lost the favor of the gods. C. dynasties could rule for no longer than 300 years.
D. women were not permitted to rule China.

1. the spread of reform movements aimed at perfecting american society

The price of oil and inflation are connected in a cause and effect relationship, that is, when the price of oil increases, inflation also increases in an economy. this is because, oil is a major input in the economy, that is, it is used for critical purposes such as fueling of vehicles for transportation, for running of industrial generators and machines, for heating homes, etc.for instance, if the price of oil increases in an economy, it will increase the cost of production for those using the oil in their production processes and they will automatically increase the cost of their products in order to offset the extra costs. this leads to general increase in the prices of products in the market and result in inflation.