The Treaty of Alliance of 1778 was signed by the United States and —2012/4 A. Spain
B. Portugal
C. Russia
D. France

i really think its B because if you think about it like (United states and Portugal) like sis... that goes so good together best couple of 2020 :)

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.

b.

one company controls all the means of production of a product.

~coco