It depends on which war you're referring to. I feel that the answer you're looking for is the radio, though.
<span>Eliminativism is based on the belief
that race is not biological</span>
Naturalism on the other hand is based
on the notion that race is biological
Constructivism is based on the notion
that race is real, but only socially construed as it is based on social factors.
Answer:
When European settlers arrived on the North American continent at the end of the fifteenth century, they encountered diverse Native American cultures—as many as 900,000 inhabitants with over 300 different languages. These people, whose ancestors crossed the land bridge from Asia in what may be considered the first North American immigration, were virtually destroyed by the subsequent immigration that created the United States.
Computer or phones or the internet :)