North Vietnam went to war with the republic of Vietnam via it’s proxy the Viet Cong, in the attempt to get south Vietnam under the control communist party.
I hope that helps.
I have no clue what that is
The matrix in connective tissue is a makeup of cells, ground substance and many fibers. Usually, the tissue would contain mostly water, but it could change depending on certain things. These are what makes up the extracellular matrix. However, the matrix in connective tissue is actually most known as having soft and specialized tissue.
The scholars immediately disagreed over the causes of the war and they still disagree today.
Many maintain that the main cause of the was that the southern states desired to preserve the institution of slavery.
Others minimize slavery and point to other issues, taxation and principle of States' rights.