question: it is a chief custom of the corrupt system denounced all through bible prophecies and teachings under the name of babylon.
Capitalize this past sentence correctly.
A: It is a chief custom of the corrupt system denounced all through Bible prophecies and teachings under the name of Babylon.

question: my mountain in the field, i will give your substance and all your treasures for a spoil, [and] your high places, because of sin, throughout all your borders.
Capitalize this past sentence correctly.
A: My mountain in the field, I will give your substance and all your treasures for a spoil, [and] your high places, because of sin, throughout all your borders.

question: shortly after entering harbour the boats had to leave with alarm start since enemy units were approaching the harbour.
Capitalize this past sentence correctly.
A: Shortly after entering harbour the boats had to leave with alarm start since enemy units were approaching the harbour.