political organization of
- Radius (Wikipedia)
In classical geometry, a radius (pl.: radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the Latin radius, meaning ray but also the spoke of a chariot wheel. The typical abbreviation and mathematical variable name for radius is R or r. By extension, the diameter D is defined as twice the radius
- Houthi movement (Wikipedia)
The Houthi movement (/ˈhuːθi/; Arabic: الحوثيون, romanized: al-Ḥūthiyūn [al.ħuː.θi.juːn]), officially the Ansar Allah Movement, is a Zaydi Shia Islamist political and military organization that emerged from Yemen in the 1990s. It is predominantly made up of Zaidi Shias, with their namesake leadership being drawn largely from the Houthi tribe. The group has been a central player in Yemen’s civil war, drawing widespread international condemnation for its human rights abuses, including targeting civilians and using child soldiers. The movement is designated as a terrorist organization by some countries.
