Answer: they provided water for drinking and agriculture
Explanation:
The best option from the list would be that "<span>A. Access to rivers and railroads was needed to get manufactured goods to markets," since the factories tended to be very far away from major consumer cities. </span>
Conventionally, each state receives in the electoral collage THE NUMBER OF ELECTOR THAT IS EQUAL TO THE TOTAL NUMBER OF SENATORS AND REPRESENTATIVES IT HAS.
An exception is Washington DC, which always has the same number of electors as that of the state that has the least population of people in US.
The answer would be social.
The answer to this question can be quite subjective. Some people will say that the telephone is the most important invention, or the automobile, or the plane, but for me personally, I'd choose antibiotics.
It is a modern-day invention (as opposed to the Middle Ages, for example) which changed our lives for the better. Before penicillin was discovered in the 1920s by Alexander Fleming, people were constantly dying because of most harmless diseases. But after antibiotics were invented, people were given a chance to recover from their illnesses much more easily.
