His foolish statements provided his opponents with more 'ammunition' to use against him in the campaign.
She had the 'ammunition' to prove her case. [=she had the evidence she needed to prove her case]
The troops were supplied with weapons and 'ammunition'.
(..) .. Oh, I'm so sorry. That won't be possibIe. I have... .. ...tonsiIIitis. .. I'm stiII waiting on my guns and ammunition. .. I see my men have brought your merchandise. .. GeneraI McGrath... .. (..)1999 Wild Wild West