What did Rome use to improve trade, collect taxes, and pay soldiers?

Can someone me with module 8 us history? these are the questions. 59 points and brainliest. ss.8.a.5.1: explain the causes, course, and consequence of the civil war (sectionalism, slavery, states' rights, balance of power in the senate). ss.8.a.5.2: analyze the role of slavery in the development of sectional conflict. ss.8.a.5.4: identify the division (confederate and union states, border states, western territories) of the united states at the outbreak of the civil war. ss.8.a.5.5: compare union and confederate strengths and weaknesses. ss.8.c.1.1: identify the constitutional provisions for establishing citizenship. ss.8.c.1.6: evaluate how amendments to the constitution have expanded voting rights from our nation's early history to present day.