Answer:
When the Populist Party saw that the two major parties were falling, they took it as an opportunity to gain voters for the next elections. They blamed the terrible state of the economy of both parties, not just one. More voters rushed to the party, but the party dissolved soon.
That pretty Much started WW1. That"s a major consequence
Actually why argue about the speed limit. It is there for everyone's protection. It is there for a good reason. So why argue about it? Yes some people don't follow it. But that is the job of a police officer not of some kids in 6th grade. My point is don't argue against it argue for it.
B. Cultural practiced of language and religion changed.
Assuming this is in regards to the Aryans and the Indus Valley civilizations. Aryans introduced early Hindu ideas and writings, as well as developed the earliest forms of Sanskrit.