question: the transition from capitalism to communism is certainly bound to yield a tremendous abundance and variety of political forms, but the essence will inevitably be the same: the dictatorship of the proletariat.
Capitalize this past sentence correctly.
A: The transition from capitalism to communism is certainly bound to yield a tremendous abundance and variety of political forms, but the essence will inevitably be the same: the dictatorship of the proletariat.

question: this file format has powerful compression algorithm which is compatible with both macintosh and windows operating system. this format is developed by apple computer.
Capitalize this past sentence correctly.
A: This file format has powerful compression algorithm which is compatible with both Macintosh and Windows operating system. This format is developed by Apple computer.

question: it is possible that appearances of the angel of the lord were manifestations of jesus before his incarnation.
Capitalize this past sentence correctly.
A: It is possible that appearances of the angel of the Lord were manifestations of Jesus before His incarnation.