The united states moved through the expansion business phase.
Answer:
The World War 1 experience impacted hugely on U.S. culture, domestic politics and society. The war also resulted in an increased demand for weapons abroad. This led to increased profits and heightened productivity in the American steel industry. World War 1 ushered in an era of using chemical weapons.
Prior to higher education, American students attend primary and secondary school for a combined total of 12 years. ... After graduating high school (12th grade), U.S. students may go on to college or university. College or university study is known as “higher education.
C. First Continental Congress