What is being communicated to Britain in the Declaration of Independence? Why do our colonial representatives explain this is necessary

Britain is being informed of the need for the Americans to form a new government. The colonial representatives explained that the reason for this was the inferior and unequal treatment they received under the British rule.

Explanation:

In the first few lines of the Declaration of Independence drafted by Thomas Jefferson with the assistance of four others, the British are given reasons why the Americans desire to form a new government. He further mentioned that this was necessary because of the unequal treatment they received under the British rule as well as the deprivations of their rights.

Jefferson explained that it was 'decent respect to the opinions of mankind', that warranted that a document listing their grievances are issued to the British government. He also went on to list about 27 ways in which they have been treated unfairly under the British rule.

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on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.