Why did the constitution create a separation of powers for the national government?

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.

3. according to oliver, how can the fast food industry with the food revolution? i will give brainliest

How can american citizens show their disapproval with rge actions of federal officeholders and force them to make changes