Long but informative read on Kosovo and the 106th Congress. Despite what the government of Kosovo says, this war and subsequent occupation did not have strong bipartisan support. On the contrary.... 

http://congressionalresearch.com/RL30729/document.php


http://congressionalresearch.com/RL30729/document.php
The March 11, 1999 vote on H.Con.Res. 42, 219 in favor to 191 against, did not run counter to Clinton
Administration policy on Kosovo, but it wasn't a ringing endorsement. Most of the “no” votes were cast by Republican Members.
https://www.govtrack.us/congress/bills/106/hconres42#:~:text=H.Con.Res.%2042%20%28106th%29%20was%20a%20concurrent%20resolution%20in,and%20does%20not%20carry%20the%20force%20of%20law.
Administration policy on Kosovo, but it wasn't a ringing endorsement. Most of the “no” votes were cast by Republican Members.
https://www.govtrack.us/congress/bills/106/hconres42#:~:text=H.Con.Res.%2042%20%28106th%29%20was%20a%20concurrent%20resolution%20in,and%20does%20not%20carry%20the%20force%20of%20law.
•S.Con.Res. 21. (Joe Biden) auth. the President to conduct
military air operations and missile strikes in cooperation with our NATO allies against the FRY.
Passed Senate, 58-41, on March 23, 1999. Failed House on April 28, 1999, by a vote of 213 to 213. https://www.govtrack.us/congress/bills/106/sconres21#:~:text=Con.Res.%2021%20%28106th%29%20was%20a%20concurrent%20resolution%20in,and%20does%20not%20carry%20the%20force%20of%20law.
military air operations and missile strikes in cooperation with our NATO allies against the FRY.
Passed Senate, 58-41, on March 23, 1999. Failed House on April 28, 1999, by a vote of 213 to 213. https://www.govtrack.us/congress/bills/106/sconres21#:~:text=Con.Res.%2021%20%28106th%29%20was%20a%20concurrent%20resolution%20in,and%20does%20not%20carry%20the%20force%20of%20law.
Doug Bereuter (R-Neb.) said that "bombing for peace is wrong, and it's not working. We have a war in Yugoslavia. It's an unmitigated disaster." He said the air war could bring Greece and Turkey into the conflict and fracture the NATO alliance. https://www.chicagotribune.com/news/ct-xpm-1999-04-29-9904290179-story.html
Ron Paul has always been vocal about his opposition. https://www.bing.com/videos/search?q=ron+paul+kosovo+1999&&view=detail&mid=24E84B9ADC6AD9DBD24624E84B9ADC6AD9DBD246&&FORM=VDRVSR