Answer:
option B
Step-by-step explanation:
During Reagan's second term, his administration pursued an aggressive defense buildup, which involved significant increases in defense spending. Additionally, Reagan implemented substantial tax cuts as part of his economic policies known as "Reaganomics." These policies were aimed at stimulating economic growth, but they also contributed to budget deficits and a growing national debt.
The combination of increased defense spending and tax cuts resulted in significant budget shortfalls, leading to historically high budget deficits. The national debt, which had already been growing, continued to balloon during Reagan's second term.
It's important to note that while other challenges mentioned in options A, C, and D might have occurred during Reagan's presidency, option B accurately reflects a significant challenge specifically during his second term.