According to the constitution who selects the president

Acording to google, the electoral process was first used for the 1804 election. Each presidential election since has been conducted under the terms of the Twelfth Amendment. The Twelfth Amendment stipulates that each elector must cast distinct votes for President and Vice President, instead of two votes for President.

Explanation:

answer; i believe the correct answer is (favorable balance);

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.