Answer: d.
Explanation: they used them to spy on each other
Answer:
B
Explanation: After WW1, America was heading towards Isolationship and leaning out of European involvement. By refusing to join the League of Nations, America had shown its unwillingness to be involved in European conflicts. Neither of the other options indicate isolationship since they involve another country's conflicts.
Hope this helps! Good luck!!
True they were but their family probably wasn’t
