Yes, it halted completely. No cars, commercial trucks, or auto parts were made from February 1942 to October 1945.
The southern states reacted negatively to the election of Abraham Lincoln in 1860. They were shocked and protested against Abraham Lincoln's election because they were not in favor of his propaganda to free the slave states (which mostly were in the Southern parts).
The Government in the Sunshine Act is a U.S. law passed in 1976 that affects the operations of the federal government, Congress, federal commissions, and other legally constituted federal bodies.
American isolationist sentiment actually began immediately following the Revolutionary War and then increased drastically after WWI, when many American troops died for a war overseas.
The reason actually had little to do with Somaliland (which is a relatively peaceful and stable country) but with the fear of other countries that this will cause more chaos in the neighbouring Somalia and maybe encourage other places in Africa to split and this would cause more wars and conflicts. <span />