Charters, like those found in the british colonies, are also called compacts deeds cartas constitutions

These are also known as constitutions. They are the documents that set up governance and give the location in question the right to exist as the structure set forth in the document. These constitutions are laid out to cover all aspects of governance and to note what can and can't be done by each body contained in the governmental structure.

The correct answer is the hindu kush mountains.