31. In the 1970s money market funds began disintermediating banks from their classic interposition between savers and borrowers. 32. The Supreme Court rejected the doctrines of nullification and interposition , which had been invoked by segregationists. 33. In the Virginia Resolutions of 1798, Madison did not describe the form or effect of interposition . 34. In practice, nullification and interposition often have been confused, and sometimes have been used indistinguishably. 35. In primary neurorrhapy, with or without an interposition graft, perineural fibrosis is a common complication. 36. Interposition and nullification often are discussed together, and many of the same principles apply to both theories.37. On these occasions, the interposition of Mumbo Jumbo is called in; and it is always decisive. 38. In the 1950s, southern states attempted to use nullification and interposition to prevent integration of their schools. 39. The basis of this proprietary estoppel-as indeed of promissory estoppel-is the interposition of equity. 40. When Jefferson was out of office, he supported state " interposition " against the national government.