As far as I know, both "has" and "have" are acceptable, depending on whether you treat "Government" as a singular noun or as a plural one. When you think of the Government as a single entity, something integrated and indivisible, then it is singular: The US government has a new website . If you refer to the Government as a group of individuals, a number of independent members, not consituting a unity, then probably it's a good idea to use it with a plural verb: The Government still have opposing views on the bill .
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