Answer: <em>Option (C) is correct.</em>
Trial and error are known as one of the methods of problem-solving. It is represented by recurrent, different attempts which continue until progress, or until the individual stops. This is also known as a heuristic approach to problem-solving or obtaining knowledge. This method is used in several disciplines such as computer science, elementary mathematics etc.
The ninth amendment protects all the rights of citizens that were not mentioned in the Constitution of the United States of America
Answer:
Trade can help unite different countries. For example, the Silk Road helped connect many different countries through trading. Unfortunately, people took advantage of the Silk Road and there bandits. Things like world wide delivery can also unite different countries together.
The Indian National Congress and the Muslim League.
