the republic was much like the government of the USA is today (the founders like what Rome did so they took it) and what caused it to become an empire was power hungry rulers hope this helps good luck
A. Being assigned to noncombat roles
When President Truman took a hard line against striking workers in the years immediately following World War II, he:
"had little understanding of the plight of laborers in the post-war years."
During the first months of his administration, he became involved in a struggle between coal miners and railroad workers. It took several meetings, and fierce arguments, to get them to agree, and end the strike.