Answer:
A. airplane - international trade
Explanation:
The above statement correctly match of invention with its impact on expanding business in Texas after the Civil War. This could be seen in the series of airplane manufacturing companies <em>which setup its production plants at the states as well as its shops. also, the manufacturing of airplanes turns the state to become an international trading hub for transporting people and goods from one location to another.</em>
When a dynasty has the mandate, they were in control. if something bad happens like a flood, the dynasty loses mandate and a new dynasty takes its place.
They trade so muh stuff and end up with nothing to profit from
