Are the statements about the effects of railroads in the late 1800s true or false? The expansion of railways lowered the cost of shipping goods.
Railroad mileage increased in the West, reducing the effects of settlement on American Indians.
The building of the railroads changed the environment of the West.
The Transcontinental Railroad was completed before the Civil War ended.

food chain i would say only because there is competition on getting food and survival

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

background

early european explorers to the americas likely experienced emotions including awe at the vast "new" environment, amazement at meeting "others," the thrill of the unknown, concern for personal safety, desire for personal reward, and longing for their homeland and those left behind. written and pictorial records attributed to europeans provide the bulk of the records of these early travels. impressions of natives as well as native impressions of europeans are frequently framed in the narratives of the explorers. examination of these records indicates the cautious and curious nature of first encounters.

significance

centuries of ignorance, prejudice, and opinions lacking evidence or scholarly research have tainted traditional views of the earliest meetings between native americans (first nations in canada) and europeans. students may come to recognize how the later period of continued exploration, settlement, and interaction was influenced by these early encounters from the st. lawrence river to georgia.

the answer is a. apartheid.