Based on the music and culture of the time, to what extent was america one nation, under god, indivisible, with liberty and justice for all by the 1980s (end of the cold war era)?

America was united in some respects and deeply divided in others.

Explanation:

The Cold War was more of a propaganda war than a military war. Americans were largely "one nation … indivisible" in their hatred of communism.

However, the threat of a nuclear war was ever-present, and this affected American culture through music, movies, books, and television.  

Hollywood made anti-communist movies.  Many cloak-and dagger movies used as backdrops the Cold War, espionage, and fictional nuclear and conventional war between the United States and the Soviet Union. These all helped spark American patriotism.

The Cold War initiated the Space Race. Americans groaned when the Russian satellite (Sputnik) went up. They rejoiced when an American landed on the Moon.

Competition in sports like hockey and the Olympics also served as a proxy for military engagement.

Despite the unified sentiment against communism, America as a deeply divided country. There were widespread protests about  the Cold War and about civil rights.

Both Allies and the Kremlin criticized the United States for fighting oppression abroad while discriminating against millions of African-Americans at home. Pressure from both sides finally resulted in passage of the Civil Rights Act .

Many protest songs reflected fear of World War III, general sentiments against war and racism. Some examples were

the 9th amendment

explanation:

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.