The Third Amendment (Amendment III) to the United States Constitution places restrictions on the quartering of soldiers in private homes without the owner's consent, forbidding the practice in peacetime... Meaning that the Unites States military cannot use your home during times of peace.
What makes a source credible is it has backed up information. Basically, it has to have supporting details so you know its true.
Gives Congress the power to take all actions "necessary and proper" to the carrying out of its delegated powers.
The Chinampas were man made