Why did the national debt rise from 33% of GDP in 1981 to 53% of GDP in 1985? Responses There were lower taxes and higher defense budgets. There were lower taxes and higher defense budgets. There was an increase in government programs, such as the Department of Veteran Affairs. There was an increase in government programs, such as the Department of Veteran Affairs. Debts to foreign nations increased due to research projects. Debts to foreign nations increased due to research projects. There were many payout settlements from class-action lawsuits against the government