Answer:
Because he feared that the Nazi's would invade their land and kill their citizens.
Explanation:
The presidency of Lyndon B. Johnson began on November 22, 1963, when Johnson became the 36th President of the United States upon the assassination of President John F. Kennedy, and ended on January 20, 1969. He had been Vice President of the United States for 1,036 days when he succeeded to the presidency.
