### Question
How is the "act of war" defined?


### Answer
The term **act of war** is defined in *18 U.S.C. § 2331* as follows -

> any act occurring in the course of—


(A) declared war

#### Citation:
  - *18 U.S.C. § 2331*
  - Heading: **PART I-CRIMES > CHAPTER 113B-TERRORISM**

