The answer is b and if not then try a
Since they have learned to trade they have been fighting in Wars to get what others have and what they don't have.
The correct answer is declare war.
Only Congress (the Legislative branch) has the power to declare war. The last time Congress declared war was in 1941 following the Japanese attack on Pearl Harbor. The U.S. has still been in many armed conflicts since then, but even though we call them "wars" (Vietnam War, Korean War, etc) they have not technically been declared wars.
Answer:
Niccolò Machiavelli is the correct answer.
Explanation:
The Varnas ordered from top (highest status) to bottom (lower status):
Brahmins (priests, teachers and scholars)
Kshatriyas (warriors, administrators and rulers)
Vaishyas (merchants and farmers)
Shudras (laborers)
Dalits (<em>avarna</em>)
As you can see, the Varnas are fundamentally 4. However there are certain tribes that don't belong to any Varna, such as the Dalits which are classified as <em>avarna</em>.
Hope this clears things up!