Considering the political perspective, it is concluded that state sovereignty is not declining in the interstate system.
The Interstate system is the network of controlled-access highways that portion of the National Highway System in the United States.
Interstate System or Eisenhower National System of Interstate and Defense Highways was formed in 1956.
The Interstate system is a national system that the federal government funds and are not based on state sovereignty.
Hence, in this case, it is concluded that the correct answer is Interstate System does not decline state sovereignty.
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