Akey difference between the indigenous peoples of north america and those of south america was
a. the indians of north america welcomed the europeans as fellow farmers, rather than perceiving them as military enemies
b. the indians of north america were farmers and hunters who frequently moved their villages, rather than residents of large centralized empires as in south america
c. the indians of north america were more resistant to european-borne diseases and therefore were better able to resist the european settlers than were the decimated aztecs and incas
d. the conquistadores were much more interested in claiming individual landownership than were the english farmers

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.