There are First Mortgages and Second Mortgages, the former designed to allow you to purchase the home or totally refinance the original loan; the latter, also known as a Home Equity Loan, allows you to use your available equity to take out a subordinate loan in addition to your First Mortgage.
Many powers belonging to the federal government are shared by state governments. Such powers are called concurrent powers. These include the power to tax, spend, and borrow money. State governments operate their own judicial systems, charter corporations, provide public education, and regulate property rights.
Constitutional arrangement whereby power is distributed between a central government and subdivisional governments, called states in the United States. The national and the subdivisional governments both exercise direct authority over individuals.