What are the United States’ important natural resources?
Can someone please help with

What was the most difficult obstacle to overcome in the creation of an autonomous state after indian independence was achieved? a british willingness to go to war to retain the region b. religious differences between hindus and muslims c. ethnic differences between tribal regions d. indian princes' inability to decide on a format of government

How many time zone are there on earth

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?