Why did the Continential Congress support the Declaration of Indpendence ?

On July 4, 1776, the Congress issued the Declaration of Independence, which for the first time asserted the colonies' intention to be fully independent of the mother country. The Congress established itself as the central governing authority under the Articles of Confederation, which remained in force until 1788. Please mark the brainliest

d. she conquered the black sea coast and parts of poland.