To subsume is to include or place within something larger or more comprehensive.

Example: The larger company had plans to subsume the older, smaller company once the buyout was completed.

The new policy will subsume all previous rules and regulations under one comprehensive framework.

No.

Washington DC is a single metro area. It did subsume the older city of Georgetown MD, when DC was created by Congress.

I think that people are going to do what they want to regardless. So trying to subsume people into being with someone they dont want, they're going to rebel. If someone wants something bad enough they get it by any means necessary, especially when it wants them as well.

absorb, add to, amalgamate, assimilate, associate, blend, charter, coalesce, consolidate, cover, dub, embody, form, fuse, imbibe, integrate, join, link, merge, mix, organize, pool, put together, start, subsume, unite, gang up, hook in, tie in