Vexillological Fluttering Part II

Part I, posted 25 March 2025, was multiple choice but today’s offering is not

1. Vexillological Fluttering Part I’s questions revealed the Vatican City State as being only one of two square national flags, what other nation has a national flag which is square?
2. How many red stripes are on the flag of the United States?
3. The Ashoka dharmachakra is on which national flag?
4. The official flag of what US State has a British Union Jack on it?
5. What European national flag is the oldest continuously used national flag?

Good luck! I will post the answers later today.