I believe it’s D considering the Gettysburg Address came after the battle at Gettysburg which was very gruesome and made the American people unmotivated to continue with the war. He needed everyone to continue to fight for freedom.
It would be too obvious for me to write the entire letter for you, but I'll include a list of points that you could include in your own writing style:
* Thanking Lee for his letter, and saying that you are happy that he is having a good time.
* Telling him roughly what you're studying at school (without being boring).
* Write about what you would like to do when you leave school.
* Finally, say that you miss him a lot and look forward to hearing from him soon.
The correct answer is the Nervous system and the Endocrine system. These two systems control all other systems and by doing it create homeostasis in the body.
