How would you characterize the work of building the railway? Where did they have to go through the landform of the Canadian Shield?

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

i would need the graph to answer the question

discrimination! they faced a lot of racism

b. young children below the minimum age were working