Federalism because Amendments are proposed at a federal level and is ratified at a state level. Why have only 27 Amendments been added to the Constitution? Because of Informal Amendments and how easy it is to informally amend it rather than formally.
Answer:
The war was not worth fighting.
Explanation:
First of all, the American military was ill-prepared for the war because it did not know well what strategy the Vietcong would use against the American soldiers, as they did not expected the war to become almost a guerrilla warfare.
Secondly, the American military and government ignored Vietnam's geography, economy, society and history, and this made it difficult to understand the context, and garner support from the Vietnamese people.
Third, the war was held in a far away country that did not pose any direct threat to American citizens
Finally, the war caused heavy casualties to both sides, including Vietnamese civilians, that did not lead to a victory, since the American military technically lost the war as it had to retreat.
Answer:
Perhaps the most important political legacy of Vietnam has been the growing segregation of our all-volunteer military from wider society. Opinion polls reflect this. The off-hand “thank you for your service” ironically symbolizes this distance. Reintegrating returning warriors remains profoundly important.
Explanation:
thank me later
The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.
