Answer:
James K. Polk was a strong believer in the Manifest Destiny. He expanded the borders of the United States all the way west. In only one presidency, James K. Polk gained control of the Oregon territory, New Mexico, California, and Texas.
Explanation:
The Himalayan Mountains created a natural protective barrier. Many civilizations have benefited from natural protective barriers. Egypt had the desert, Switzerland had the Alps, the Alps saved Rome too.
<u>Answer:</u>
Napoleon made three heavy mistakes "in the Continental System, in the Peninsular War and in Russia's Attack".
<u>Explanation:</u>
The Napoleon's policy for preventing trade between Great Britain and continental Europe is called as "the Continental system " in order to destroy Great Britain's economy. But it raised severe economic strain to Europe and stressed relationship with the Europe leaders.
The Peninsular War proved to western powers that it was possible to defeat Napoleon and the French army. By depositing the Bourbons and stirring Spanish national sentiment, Napoleon provoked a strong opposition to his proposals, which would later lead to his defeat in Spain.
The most catastrophic mistake made by Napoleon was the invasion of Russia, as it demanded death of 500,000 soldiers of Napoleon and specially destroyed his ambiance of invincibility, which kept much of Europe self-satisfaction.
The 36-day Iwo Jima battle caused more than 26,000 American casualties, including 6,800 dead." The 82-day Battle for Okinawa resulted in casualties of over 62,000 of whom over 12,000 were killed or missing that should help!