Which of the following nations possess nuclear weapons?

I say North Korea

Yes.

But you haven't shown your other choices.

To determine which nations possess nuclear weapons, you can refer to various sources such as international agreements, official government statements, and expert analyses. In this case, let's verify if North Korea possesses nuclear weapons.

First, access reliable sources like government statements, reports from reputable news agencies, or international organizations involved in monitoring nuclear weapons. For example, you can visit the website of the International Atomic Energy Agency (IAEA), which is responsible for verifying states' compliance with nuclear non-proliferation agreements.

Next, search for recent updates or reports specifically mentioning North Korea's nuclear weapons status. Look for official statements made by North Korean authorities or statements by other countries, especially those involved in efforts to disarm North Korea's nuclear program such as the United States, South Korea, China, or the United Nations.

Keep in mind that the situation surrounding nuclear weapons can change over time, and the most accurate and up-to-date information can be found from trusted and authoritative sources.