Since 1980, relations between japan and the united states have been most influenced by the
a. imbalance of trade between the two nations.
b. refusal of the united states to accept japanese technology.
c. immigration restrictions imposed by the gentleman's agreement.
d. construction of japanese military bases in the pacific area.

 A. because Japan sells more than it buys. Hope this help you! Have a good day!

How are we suppose to know this

Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.