The excerpt has<span> an </span>effective style<span> and </span>tone because it is. formal and objective. Also, <span>It includes a clear topic sentence and provides </span>effective<span> support.</span>
Colonial era: british
WW1: American
WW2: British (America for the atom bomb... but thats just one weapon. and they massed produced everything else really)
after that: AMERICA!!
writings and methods were often adapted to need and circumstance, although there were some steady themes, including antisemitism, anti-communism,
