question: it gives a much fuller treatment of the material in his 1943 book, and also contains results obtained since 1943.
Capitalize this past sentence correctly.
A: It gives a much fuller treatment of the material in his 1943 book, and also contains results obtained since 1943.

question: here are the main advantages of the formula so that users know what to expect:
Capitalize this past sentence correctly.
A: Here are the main advantages of the formula so that users know what to expect:

question: one couple tied their six children to trees so they could not follow them as they fled to find food.
Capitalize this past sentence correctly.
A: One couple tied their six children to trees so they could not follow them as they fled to find food.