An MRI is a test that uses a magnetic field and pulses of radio wave energy to make pictures of the spine. In many cases, an MRI gives different information than an X-ray, an ultrasound, or a CT scan. An MRI also may show problems that cannot be seen with other imaging tests.
Note: A general discussion of the causes of the subprime mortgage crisis is included in Subprime mortgage crisis, Causes and Causes of the 2007â2012 global financial crisis. This article focuses on a subset of causes related to affordable housing policies, Fannie Mae and Freddie Mac and government regulation.
The Johnson Debt Default Act of 1934 is a U.S. law prohibiting future loans to nations that have defaulted on repayment of previous loans to the U.S. This law came about following the collapse of the international financial situation created by the Dawes Plan and subsequently modified by the Young Plan as a result of the Great Depression.