Answer:
a train called the Transcontinental Express was making the trip from New York City to San Francisco in three and a half days.
Explanation:
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The civil war was fought over the moral issue of slavery it was the main conflicting cause of the civil war
Columbus was originally going to sail along the West African coast and around the Cape of Good Hope. But than Columbus had the idea of instead to sail west across the Atlantic instead of around the gigantic African continent.
The columbian exchange was the exchange of wealth, crops, livestock, and most importantly disease between the new and old world. foreign people came into contact with each other and lacked the needed immunity to prevent illness. some crops exchanged were squash, corn, beans, and potatoes.
