Answer:group A
Expination its quite obvious because in the first every thing became steam powered and then but then in the second one electricity and petroleum became main power sources as they were more effeciant
Both were born into slavery, and escaped into slavery. While Tubman physically guided slaves along the route to freedom, Douglass wrote and spoke to white audiences about the travails of living first as a slave and then as a black man, subject to the racism of the time.
Plebeians. Plebeians were the lower-class, often farmers, in Rome who mostly worked the land owned by the Patricians.
It protected the United States from competitors located in foreign countries.
