What problems could develop if the United States became too dependent on other nations for goods and services?

Potential Unemployment

Explanation:

Imports of finished goods will cripple local industries who will be forced to compete with the international firms whose goods and services are being imported; and those employed in such industries might lose their jobs if the small local enterprises are unable to survive such competition.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else