Answer: but
Explanation:
In 1863, President Abraham Lincoln designated the last Thursday in November as a national holiday of Thanksgiving ....... in 1939, President Franklin Roosevelt decreed that the holiday should always be celebrated on the fourth Thursday of the month.
Out of the options given, the answer is "but". This is the right answer as it'll be used to link both sentences regarding the two activities of the President's together.
The other options such as "for example", "therefore" and "so" when used doesn't make the sentence correct.
Answer:
Location: Waterfall.
The water is a beautiful blue with a crystal clarity. Its waters sparkle like diamonds under the sun. Many bright and vibrant fish swim in its waters. Crustaceans crawl in the depths and through the rocks sliding like spy's between walls in the cracks of the rocks. The sun trees around it dance in the wind creating a peaceful scene of nature. The sound of the flowing water, dancing trees, and distant animals blends together in one harmonious song. The scene satisfies my eyes and my soul.
Answer: That ancient land was located in the Middle East, a hot and sunny part of the world.
This is the only option that is correct. The sentence combines both ideas ("the ancient land was located in the Middle East" and "the Middle East is a hot and sunny part of the world) while maintaining the flow of the passage. Moreover, the sentence is grammatically and structurally correct.
It is bridged with violence, american settlers came on to the Native Americans land and genuinely stole it from them.
The simplified expression is 
Explanation:
The expression that we have in this problem is

We want to simplify this expression: in order to do so, we apply the rule to solve the square of a binomial:

Where in our expression, we have:

So, the various terms are:

Therefore, the final expression becomes

Learn more about simplify expressions:
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