The correct answer is - A) extrusive.
The extrusive igneous rocks, and the type of igneous rocks that are forming on the surface or very close to the surface. This type of igneous rocks are forming very quickly because the magma is cooling down very quickly, thus giving them some specific characteristics.
These types of rocks can be easily distinguished from the intrusive rocks, the extrusive ones, because of the quick formation, have very small crystals, almost unnoticeable, while the intrusive ones, because they have much bigger period of formation, have nicely formed, easily noticeable, big crystals.
The Sikhs are the ethnic groups who wanted a separate state of their own. The Sikhs are a follower of Sikhism. It is a monotheist religion in the Punjab region of India. During 1940s, the Sikhs worried that their community would be left without a homeland thus they push through the idea of Khalistan, seeing it as a small state that is a part of Punjab region.