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.
It left he nations with the choice to declare their independence.
Explanation:
Most of the nations of the eastern region had declared their independence from the mother state of USSR and its communist regimes right after the fall of the USSR.
This was done when they got the free choice to do so if they pleased and the majority of the states had simply opted out.
There was a sense of dissatisfaction among the people with that mode of governance and they had seen the developed of the Democratic countries and wanted it for them.
The states had thus chosen for democracy
Your textbook. It is a second hand account.
The ice age tribal hunters who migrated into the Americas came from Asia
I hope this helps.
The Ottoman Empire was founded by Osman 1 (the first).
