Whakaotihia te rerenga e whai ake nei: I muri i te whakaeke matū o Ghouta i Akuhata 2013 i te Pakanga a-Iwi o Hiria, i kii a Manchin, "Kaore he feaa i puta he whakaeke, kaore hoki he feaa i hangaia i raro i te kawanatanga o Assad. Kāore i te mārama mēnā nā Assad anō i tuku te whakahau. Kaore ano kia whakamatautauria". I whakahe ia ki nga whakaeke i runga i te Kawanatanga o Hiria hei utu mo nga whakaeke. Engari, i whakauruhia e ia he whakataunga tahi me Senator Heidi Heitkamp (D-ND) e tono ana kia haere mai a Perehitini Obama me te rautaki mo te wa roa mo Hiria me te mahi taapori ki te whakarite kia whakangaromia nga patu matū o Hiria. I te Hepetema 16, 2014, i kii a Manchin ka pooti ia ki tetahi whakataunga a te Senate hei patu i nga hoia whakahee a Syria. "I te mutunga o te rā, ko te nuinga o nga patu e hoatu ana e tatou ki te iwi ka whakamahia ki a tatou. Ko te nuinga o te hunga e whakaakona ana e matou ka tahuri ki a matou, " ka mea ia. I kī a ia ko ngā mahere e karanga ana mō ngā hōia whenua i Hiria, i tonoa e ētahi kaitono Republican, tae atu ki a Lindsey Graham o South Carolina, he "raru", engari i tautoko i te
2017 Shayrat missile strike i tukuna e te whakahau a te Perehitini Trump hei whakautu ki te whakaeke patu matū e kiia ana na te Kawanatanga o Hiria. I kii a Manchin "he mea nui te patu o inanahi ki te tuku karere ki te kawanatanga o Hiria me o raatau kaitautoko o Ruhia e kore e whakaaetia enei mahi whakamataku".