What is the most important thing this map shows you about migration routes of early people's to north america? how would you describe this route to other people? what time period is shown?

ok

Explanation:

The most important thing the map shows is that it shows the rote of some migrations, specially that none of the passed in the middle of the country, some on the the west, but mos by the coast.

the use of electrical signals that transit messages is know as

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.