Which mountainous area in germany, belgium, luxembourg, and france hs been worn down by glaciers?

This shallow part of the Atlantic Ocean separates Britain from the rest of Europe. This mountainous area in Germany, Belgium, Luxembourg and France has been worn down by glaciers.

s the president shall be commander in chief of the army and navy of the united states, and of the militia of the several states, when called into the actual service of the united states; he may require the opinion, in writing, of the principal officer in each of the executive departments. sooo yeahhh

explanation:

probally   a few days after there called