Its D) because scientist focuses on how this happened and why.. so its D)
Answer:
So in a way, manifest destiny does still happen in today's world in the United States.
Explanation:
Although it may not be exactly like the one we thought about in history class, it is still a very similar concept, that some people today would even call it manifest destiny.
There are many reasons but here's two
1. The 'war' and invasion etc was fought in the West so the province that you are going to have to raise troops and revenue from to fight the war is the same one where all the fighting takes place.
Meanwhile the 'East' had Anatolia as a heartland for revenue and recruits that was untouched .
<span>2. There is alot of evidence that it wasn't simply 'barbarian' invasion but also a large element of rebellion against central authority by local forces. These are the people who are supposed to supply your troops and revenue.</span>
