In the united states, a(n) boundary separates us lands from another country.

Federal

Explanation:

A boundary that separates US lands from those of another country is called a federal boundary. This is the type of boundary that exists between the United States and Mexico or Canada. Boundaries of this kind serve several purposes. Boundaries regulate trade and commerce in order to protect the local industries. Moreover, Boundaries regulate the flow of people. Finally, boundaries are meant to provide safety as the frontier is very will examined.

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: