Jesus told a story about a king who invited people to his son’s wedding celebration. (Imagine being invited to the wedding of Charles and Diana, or William and Kate.)
When the time for the wedding arrived, the king sent servants to inform people it was time. But the people ignored it. Some even mistreated the servants.
Because of the mistreatment, the king sent his army to deal with those people. And the king sent out to invite others to come. The way was open for anyone to come.
God’s kingdom has become a volunteer organization. People choose to belong. And its current citizens all function as recruiters, welcoming committee and naturalization service.