Looking at my history books, they seem to be called radical republicans. Hope this helps :)
Answer:
Harappa and the city of Mohenjo-Daro were the greatest achievements of the Indus valley civilization. These cities are well known for their impressive, organized and regular layout. They have well laid our plumbing and drainage system, including indoor toilets.
The statement that best describes the Vedas is that they are books written by Brahmans to preserve Aryan traditions. The correct option among all the options that are given in the question is the last option or option "d". The Vedas are thought to have been composed during a period between 1500 BC to 700 BC. I hope the answer helps you.