How many amendments were added to the original united states constitution?

The approval of is the states was needed to ratify the constitution

Which one of these were common aspects of war efforts during world war 1 1. rationing 2. war bonds 3. using schools as military facilities 4. child soldiers 5. women working in factories circle all that apply

The system of checks and balances was designed for what purpose? fear of strong state power to keep power out of one branch to appease the southern states to allow the judicial branch to have equal power