I think a but its your choice
The answer is Oregon. This is solidified through the treaty called the Treaty of Oregon. In this treaty, the US and the British government had created a boundary to stop states to fight over their territories. The treaty had stated that Oregon county is a joint territory between the US and the British government.
I believe it’s improved transportation
C. Acueducts.
I'm sure that's it, good luck ;)
Answer:
the optical effects of light
Explanation:
- the optical effects of light - to convey the passage of time, changes in weather, and other shifts in the atmosphere in their canvases.