Collins secured a compromise , the `` The Collins\/De Valera Pact '' , whereby the two factions of Sinn FÃ in , pro- and anti-Treaty , would fight the soon-to-be Free State 's first election jointly and form a coalition government afterwards . Collins secured a compromise , the `` Pact '' , whereby the two factions of Sinn FÃ in , pro- and anti-Treaty , would fight the soon-to-be Free State 's first election jointly and form a coalition government afterwards .