I believe the answer is d. Hope this helps.
B the invention on the hydrogen bomb
It could be seen as a waste of time (given that the bombing was a test) or a waste of resources
Answer:
chronological thinking
Explanation:
chronological means to put a time of events in order according the the time that they happened.
Answer:
It's so that everyone in the US could communicate with each other, no matter what their gender, race or national origin was
Explanation:
Hope this helps!