Question: when did the us stop drafting for the vietnam war
[{'answer': '1973'}, {'provenance': [{'wikipedia_id': '549085', 'title': 'Draft lottery (1969)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 942366052000549204}, 'section': 'Section::::Abstract.'}]}, {}, {'provenance': [{'wikipedia_id': '24149353', 'title': 'United States Army Recruiting Command', 'section': 'Section::::History.\n', 'start_paragraph_id': 16, 'end_paragraph_id': 16, 'meta': {'evidence_span': ['With the end of the Korean War, the draft remained in force, but became increasingly unpopular although it continued to encourage volunteers and selected the bare minimum of annual recruits. Repeatedly renewed by overall majorities in Congress in 1955, 1959, and 1963, its final extension in 1967 was also passed by a majority of Congress, but only after a year of hearings and public debate. The U.S. Army became an all-volunteer force again in 1973. During the years of the Vietnam War between From 1965 to 1973, there were 1,728,254 inductions through selective service. There was however a direct effect on public support for the draft that was high even after the Korean War to its low in early 1970s because', 'The U.S. Army became an all-volunteer force again in 1973.', 'The U.S. Army became an all-volunteer force again in 1973. During the years of the Vietnam War between From 1965 to 1973, there were 1,728,254 inductions through selective service. There was however a direct effect on public support for the draft that was high even after the Korean War to its low in early 1970s because']}}]}]