Unhesitatingly

A good Leninist will feign peaceful intent when out-numbered but will unhesitatingly use force when the balance of power shifts in his favor.

Every person must walk unhesitatingly according to his own personal gifts and duties in the path of living faith, which arouses hope and works through charity.

However, a German invasion of England would be a matter of life and death for the British, and they would unhesitatingly commit their naval forces, to the last ship and the last man, into an all-out fight for survival.

Sergeant First Class Shughart and his team leader unhesitatingly volunteered to be inserted to protect the four critically wounded personnel, despite being well aware of the growing number of enemy personnel closing in on the site.

Thucydides, 1.127 At that time, the Athenians unhesitatingly followed Pericles' instructions.