Hey there! Here are some facts on the history of trains:
-Steam locomotive was invented in the early 1900s.
-Americas first train(steam locomotive), lost a race to a HORSE!
-Horses were Americas first 'train'.
-Now a days, people use trains for multiple reasons(transport, freight, etc.)
Answer:
When 3 countries in the shape of a triangle have a treading system. Each county needs resources from the other county
Explanation:
I don't understand the question you are asking.
The Co Salish eat clams, crabs, urchins, and fish from the sea. Any edible plant or fruit and they also eat deer and other wildlife. Tehy cook it over a fire on long sticks.
I believe the answer is C) era