Before revision: Before the team left, Zhou Enlai instructed its members not to conduct propaganda to foreigners and that while they should not initiative conversations with the American team, they could shake the hands of their American counterparts at matches.
After revision: Before the team left, Zhou Enlai instructed its members not to conduct propaganda to foreigners and that while they should not initiate conversations with the American team, they could shake the hands of their American counterparts at matches.