The European ethnic groups were disappointed.
Johnson was unwillingly caught up in the hot battle (Vietnam War) of the Cold War. Johnson was the US's only Presidential Administration to be destroyed by the war. He went on nation wide television and flat out said he would not run for president again, and would NOT ACCEPT nomination for the presidency of the United States. He was truly fed-up with the war.
The first polio vaccine was the inactivated polio vaccine, developed by Jonas Salk. The oral polio vaccine was developed by Albert Sabin.
