In population was 667.3 million in 1978. Hope this helped
The assumption behind the theory of supply-side economics is that businesses would use excess capital (money) to hire more workers.
In Reaganomics businesses would receive large tax cuts, which would leave them with more capital (money). After that, the businesses would use this money in order to hire more workers. These workers would then be able to make more products/goods and also would be able to buy more goods themselves since they would have a steady income.
It made abortion legal / giving them the chance to choose
Western European countries were some of the prime sources of immigrants at the time, in particular Ireland due to the lasting consequences of Ireland's Great Famine, aka the potato famine in the mid 1800's.
