Assertion: act's amendment | /r/CapableOf | proscribe same-sex marriage
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text: On August 13, 2009, during Netroots Nation, when confronted by LGBT activist Lane Hudson, Clinton explained that he had to sign DOMA in order to prevent a constitutional amendment that would proscribe same-sex marriage: "We were attempting at the time, in a very reactionary Congress, to head off an attempt to send a constitutional amendment banning gay marriage to the states.