Why do Republicans need Democratic support to reopen the government?

The radical left Democrats are holding the entire federal government hostage to >> but if Republicans control the White House, the Senate, and the House, then why do they need Democrats to reopen the government. The answer is the Senate filibuster. The rule has evolved over many generations.But since 1975, it has required 60 votes to guarantee passage of a bill. And there are only 53 Republicans in the Senate, meaning that in order to pass a government funding bill, Republicans need at least seven Democrats ...