Which of the following statements best describes the process of how later Paleo-Indian cultures replaced earlier ones? New groups of hunter-gatherers migrated from other areas and replaced the older groups.
Over time, groups adapted to changing conditions and developed new tools and habits.
Earlier cultures died out because they could not adapt to changes in the environment.
Ice Age animals such as mammoths migrated to other areas, forcing cultures to find different food sources

answer; /// i believe that the correct answer is (d)the huang he river valley;

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live