Which form of punctuation is best suited for including an example within a sentence? commas dashes parentheses no punctuation

Parentheses.

Explanation:

They are made for “including.”

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

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.