The answer is letter c, specialization increase the demand for product. It is because specialization focuses more on the products that are being produced in which they provide greater quality for the consumers in which promotes its product efficiency.
The main difference is between the house and the senate is the president of the speaker.
George Washington warned against in his Farewell Address :
( D ) Political Party Infighting.
<em>George Washington advised American citizens to view themselves as a cohesive unit and avoid political parties ínfighting</em> and issued a special warning to be wary of attachments and entanglements with other nations.