 Complete the following phrase:  The political crisis heightened tensions in Belfast and rioting took place in July 1911. Conservative Party leader, Bonar Law visited Belfast on Easter Tuesday 1912. Special trains brought over 100,000 Unionist demonstrators who paraded passed the stage in turn at the Balmoral Grounds in Belfast. Those gathered then observed prayers lead by the Church of Ireland Archbishop of Armagh and the Presbyterian Moderator. The largest Union Jack ever created was the unfurled and Bonar Law gave a speech comparing contemporary unionists with their forebearers who were besieged in 