One problem for the social security system is that there's more and more older people and fewer young people, so if they massively retire, there won't be enough workers to keep the social security system working because not enough taxes will be paid. A possible solution can be an increase the the obligatory retirement age. This would mean that people would work longer before retiring so they would use less social security money.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
The correct answer is D.
The Internet is a unique technological invention of the modern era developed and opened to mass use since the 1990's. Before this period, the situation of a Japanese student practicing English with Irish students through the internet would have been impossible. On the other hand, all of the other options could be situated in modern or pre-modern times indistinctly.
Mexico refused to recognize the borders of Texas. I hope this helps!!
The main reason why the Bolsheviks renamed their party the Communist Party was because it sounded far more friendly than the alternative, and they needed a good presence.