Who described his policy of unification as one of 'blood and iron'?

Correct Answer :   Euclid

Euclid is known as the father of geometry :

Known for :

Euclid is known for his 13-book series, Euclid's Elements, which established the foundations of geometry. His work used basic ideas called axioms or postulates to create proofs and figure out new ideas called theorems and propositions.

When he lived :

Euclid lived in Alexandria, Egypt during the 3rd century BCE.

Influence :

Euclid's work influenced modern mathematics and was used as the standard textbook for teaching geometry until the 20th century. His system, now called Euclidean geometry, is based on axioms and theorems.

Other contributions :

Euclid is considered one of the greatest mathematicians of antiquity, along with Archimedes and Apollonius of Perga.

Correct Answer :   Paris

The headquarters of UNESCO is located in Paris, France. UNESCO, founded in 1945, is responsible for designating and preserving World Heritage Sites globally.

Some of the newly included heritage sites from Madhya Pradesh in the tentative UNESCO list are Gwalior Fort, Dhamnar rock-cut caves, Bhojeshwar Mahadev Temple in Bhojpur, Chambal valley rock art site, Khooni Bhandara-Burhanpur, and Ramnagar and Mandla Gond sites. Audrey Azoulay serves as the current Director-General of UNESCO.

Correct Answer :   None of the above