How has the Constitution been adapted to cope with fundamental social and economic change?

It has been adapted to cope with fundamental social and economic change by amendments of various laws in the constitution which includes making sure every citizen regardless of ethnicity or race has the right to freedom of votes, religion, movement etc.

It was also amended to ensure that the Government tax its citizens in order to cater for the basic amenities of the people.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.