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.
A confederate system sits at the other extreme in terms of centralization. A confederacy is a loose relationship among a number of smaller political units. The vast majority of political power rests with the local governments; the central federal government has very little power. Local governments have a great deal of freedom to act as they wish, but this freedom often leads to conflicts between states and the federal government. In some cases, a confederacy is little more than an alliance between independent states.
The U.S. debt in 1783 totaled $43 million. That year, Congress was given the power to raise taxes to cover the Government's costs. ... To help raise money, federal bonds were issued by the Government. 1775 - Paying for the American Revolutionary War was the start of the country's debt
Christopher Columbus discovered America
The Caddoes, The Coahuiltecans, The Karankawas, The Wichitas thats all i know.
