Answer: b.) glaciation led to the development of Louisiana's extensive system of bayous and swamps.
Explanation: This seems like the best answer choice so I think it is B.
The Declaration of Independence was signed July 4th, 1776.
Charisma and propaganda--Reagan knew how to reach his audience and convince the American people they were in a state of danger and he had been able to keep them safe.
The Reagan administration focused on Cold War tactics first convincing American citizens they were unsafe in a world with communism and the USSR. He then developed military focus and propaganda to prove his leadership was keeping Americans safe. This with large tax breaks and a sense of conservative 'normalcy' made him very popular with the majority of white America.
<span>loss of habitats
buildup of oxygen in the atmosphere</span>
The Aztecs built their settlement in a swamp in what is now Mexico City and when the Spanish arrived they thought it more spectacular than Venice. The Aztecs were fantastic warriors but they were also excellent farmers: because they had stumbled on hydroponics, their floating fields produced an abundance of nutrients in the food they were growing.
The Mayas built some of the tallest buildings of the ancient world – without the use of the wheel, or even horses. The pyramid El Castillo in Chichen Itza is the Mayan calendar, literally set in stone.
<span>the Incas lived in the mountains of South America and had to cross very deep ravines they invented the world's first suspension bridges in spite not having hemp or sisal ropes. They made their bridges out of twisted fibers of long stemmed grass, another amazing feat of ingenuity from an inspired region.</span>
<span>Hope this help :)..........my hand hurts.</span>