because of several personal reasons i have chosen to stop my part of the expedition and return home.

How would the previous sentence be correctly capitalized?
Answer: Because of several personal reasons I have chosen to stop my part of the expedition and return home.
the protocol requires a client to trigger the server reply by sending any arbitrary datagram (can be of any lengths and can contain any value).

How would the previous sentence be correctly capitalized?
Answer: The protocol requires a client to trigger the server reply by sending any arbitrary datagram (can be of any lengths and can contain any value).
beautiful shape and color of the crown of needles. hardy, new growth may be slightly damaged by late spring frosts, but quickly grows, and restores the crown.

How would the previous sentence be correctly capitalized?
Answer: Beautiful shape and color of the crown of needles. Hardy, new growth may be slightly damaged by late spring frosts, but quickly grows, and restores the crown.
i asked burnside 's advice on topics of group theory which would be worth investigation and received a postcard in reply containing valuable suggestions as to worth-while problems.

How would the previous sentence be correctly capitalized?
Answer: I asked Burnside 's advice on topics of group theory which would be worth investigation and received a postcard in reply containing valuable suggestions as to worth-while problems.