Please capitalize where necessary: at the same time, we must tell them openly and frankly that a state of mind is by itself insufficient for leadership of the masses in a great revolutionary struggle, and that the cause of the revolution may well be harmed by certain errors that people who are most devoted to the cause of the revolution are about to commit, or are committing.
A: At the same time, we must tell them openly and frankly that a state of mind is by itself insufficient for leadership of the masses in a great revolutionary struggle, and that the cause of the revolution may well be harmed by certain errors that people who are most devoted to the cause of the revolution are about to commit, or are committing.

Please capitalize where necessary: what sets this theme of a one-page classic theme is that you can attach data blocks to all your pages, homepage included.
A: What sets this theme of a one-page classic theme is that you can attach data blocks to all your pages, homepage included.

Please capitalize where necessary: no single reason explains why the german occupiers agreed not to pursue the usual discrimination and elimination process in denmark.
A: No single reason explains why the German occupiers agreed not to pursue the usual discrimination and elimination process in Denmark.

Please capitalize where necessary: this simple, well-priced hotel in the heart of valencia's old town is right by the central market and 500 metres...
A:
This simple, well-priced hotel in the heart of Valencia's old town is right by the Central Market and 500 metres...