Answer:
B. Develop internal transportation systems
C. Acquire western lands through manifest destiny
Explanation:
Because you are still listing events that happened.
Some causes of nations joining world war 1
- Assassination of Archduke Franz Ferdinand
- Military rivalry between powerful nations
- US: the Zimmermann Telegram and the sinking of the Lusitania
- Colonies: The wish that if they fought for for their European countries they could be free, and so they join the war, making it a World War effectively
hope this helps
Answer: yes that is what is means