Answer:
The Spanish navy blockaded the Hawaiian Islands.
A Spanish agent tried to blow up the U.S. Capitol building.
Answer:
Her efforts on behalf of the mentally ill and prisoners helped create dozens of new institutions across the United States and in Europe and changed people's perceptions of these populations.
Answer:
The "grave danger" that the author is talking about is the danger of atomic weaponry
Explanation:
"Preliminary Statement of the Association of Manhattan District Scientists" was a 100-page report written after the atomic bombings in Hiroshima and Nagasaki.
The "grave danger" that the scientist is talking about in the article is the dangers of atomic weaponry. The article talks about the consequences that wrong decisions of leaders may have on its nations.
The main cause was the Stock Market Crash of 1929.
Talk about the three G's; Gold, Glory, and God.
Also, at the time, land was equal to power. The more land you had, the richer you were. This is a social and political reason, as well as economic.
Hope this helps you. Ask any questions if you need to!
