 The leadership in Hanoi was despondent at the outcome of their offensive . Their first and most ambitious goal , producing a general uprising , had ended in a dismal failure . In total , approximately 85 @,@ 000 – 100 @,@ 000 communist troops had participated in the initial onslaught and in the follow @-@ up phases . Overall , during the " Border Battles " of 1967 and the nine @-@ month winter @-@ spring campaign , 45 @,@ 267 communist troops had been killed in action . 
