How did the climate of the indus river valley change, between 6000 bce and 2500 bce?

Article iv section 2 of the constitution define the relationship between the state and federal government by stating that

According to some historians which marks at the beginning of the us civil war

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.