Explain why the size of cities increased during the gilded age.

Many people moved from rural areas to cities in search of jobs.

Immigrants came to the United States, and most settled in cities.

Businesses located their factories and corporate headquarters in cities.

Rail lines made transportation to and from cities easier.

Explanation:

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: