The Chinook tribe have lived near the Pacific Ocean for thousands of years, and they were considered as masters in canoe building and navigating in the water and are also skilled fishers. On the other hand, the Penobscot tribe from Maine is a group of native Americans in the opposite coast. They are skilled in hunting. They are also good in canoe building but they use a different method compared to the Chinook. Their canoes were made by birch bark instead of a hallowed tree trunk. Hope this answer helps.
A physical barrier is any barrier to communication that is caused by a natural and/or environmental condition and affects how the communication when sending a message to a receiver. In this case, the noise from the people talking behind Raul acts as a environmental condition and is affected the way in which information from the speaker gets to Raul.
He came up with what is known as the New Jersey Plan. It benefited the
smaller states with the plan to have representation based equal as a
larger state.