Why did roman soldiers rely on their generals after marius's reforms?

Who had the idea that there should be 3 branches of government

Although china's total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation?

Will mark as brainliest. i need .select the correct boxes. 1. similarity between united states and roman republic. 2. difference between united states and roman republic1. the government had a written constitution. 2. women could vote. 3. there was a system of checks and balances. 4. the government could use a veto to cancel an action.