Answer:
The Middle Colonies' chief export was grain, in addition to other crops such as corn, vegetables, fruit and livestock.
Explanation:
Domestic tranquility is basically the people being happy with the country and not being in danger. They were concerned about it because without it, it could lead to revolts and revolutions.
The answer is B. He interested in designing machines
The Mexican military attacked the American forces stationed in Texas. President Polk's declaration of war stated that Mexico, "invaded our territory, and shed American blood upon American soil".