Answer: The two trucks will be 339.5 miles apart after 3.5 hours.
Explanation:
Let x =Time taken(in hours) by both trucks when they 339.5 miles apart.
Distance = Speed x Time
Distance traveled to North = 48x miles
Distance traveled to South = 49x miles
Total distance = 48x+49x = 97x miles = 339.5 miles [given]

Hence, the two trucks will be 339.5 miles apart after 3.5 hours.
Most of the people in the Southeast culture did tended to be farmers, and the reasons for this are very simple:
- Climate; the climate was excellent for farming, warm and moist for most of the year, with more than enough precipitation and sunlight.
- Soil; the soil was very fertile, which was enabled by the deposits made every year by the rivers, and also because the climate was perfect for quick dissolving of the biomass which is essential for creating a fertile layer of soil.
- Water; apart from the high amount of precipitation, there's also lots of rivers in this part that were enabling that the plants can be watered all year long.
- Agricultural cultures available; the agricultural cultures that were native for this part were highly demanded and very profitable, which of course was a big stimulation for large scale farming.
Answer:
1. The desire to find new markets
2. Industrial need for raw materials
Explanation:
Given that Imperialism is a form of governmental policy in which a nation seeks to directly dominate another country through the direct takeover of its territory resulting from political and economic control of the country.
Hence, in this case, the economic factors that led to the rise of imperialism are:
1. The desire to find new markets
2. Industrial need for raw materials
On the other hand, option A Advancements in transportation technology is a technological factor.
Option C The fall of American industry, is not applicable
Option D Less access to transportation routes is also not applicable.