Answer: it is C. The reason why its C is because i got it right in the practice QUIZ
The one that did not contribute to the spread of the Great Depression in Europe is : C. Europeans invested heavily in railroads
Technically, the railroad building opened a lot of job opportunities for the people and helped during the depression
Answer:
C: Irrigation systems
Explanation:
A can help farm, but it doesn't give the ability to since water would be needed in the desert.
B is more for hunting and fighting, not farming.
C gives water which makes them able to farm in the desert.
D doesn't change much, as in, they'd still need water.
To nullify a federal law hope this helps