Johnson was as shocked as the nation at the tet offensive and it showed that anything could have happened in that country johnsons approval ratings 70/49/36 in just four years , congress and Johnson refused to send extra 200,000 troops at westmorelands request - America had to withdraw according to clark Clifford Johnson announced that he wouldn't be running re-election of the presidency, the wise men saw this as a opportunity to suggest the policy of vietnamisation clark Clifford became completely anti communist after this - tet encouraged anti war presidential candidates to appose Johnson