immediately after pearl harbour and the american entry into the war in december 1941 the soviet propagandists in moscow and in the west began loud clamour for the western allies to invade europe forthwith. mr. churchill, when he saw president roosevelt soon after pearl harbour, had obtained general agreement that an invasion before 1943, at the earliest, was a military impossibility.

How would the previous sentence be correctly capitalized?
Answer: Immediately after Pearl Harbour and the American entry into the war in December 1941 the Soviet propagandists in Moscow and in the West began loud clamour for the Western allies to invade Europe forthwith. Mr. Churchill, when he saw President Roosevelt soon after Pearl Harbour, had obtained general agreement that an invasion before 1943, at the earliest, was a military impossibility.
four years without medical treatment - available articles - hugo nielsen instituttet

How would the previous sentence be correctly capitalized?
Answer: Four years without medical treatment - Available articles - Hugo Nielsen Instituttet
finally i was only about six or seven meters (20 feet) away from it, and i stood there for long time.

How would the previous sentence be correctly capitalized?
Answer: Finally I was only about six or seven meters (20 feet) away from it, and I stood there for long time.
this is not an easy task.

How would the previous sentence be correctly capitalized?
Answer: This is not an easy task.