Based on what we observed in the module on public finance, select all true statements.

Over the 1960-2020 period, the main source of revenue for all governments shifted from income taxes to taxes on production and imports.

Over the 1867-2020 period, the trend of the nominal debt for the Canadian federal government was positive and constant.

Over the 1867-2020 period, the real per capita net debt for the Canadian federal government was the highest during the second World War.