were used in order to provide spaces through which weapons could be fired at invading enemies during Medieval times. a. Trusses c. Columns b. Crenellations d. Arches Please select the best answer from the choices provided A B C D

B crenellations

Explanation:

Crenellation is a wall around the top of a castle, with regular spaces in it through which the people inside the castle can shoot.

omg stop xd you need to chi

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.