They were shocked because they saw how ruthless the government was towards the marchers. The marches were peaceful and included students of various ages. The police beat them up, released dogs on them, and used water hoses to send them back which was shocking considering that they didn't defend themselves and were peaceful.
The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for blacks to gain equal rights under the law in the United States.
Answer:
Mexico is a federal democratic republic, and the role of Mexican citizens is two-folded:
The first role is to understand Mexican laws, and abide by them (what is known as law-abiding citizens).
The second role is to participate in the election of governments, to oversee the governments actions, and to demand change or removal in case the government does things that go against the common will.
Major Anderson taught Beauregard artillery at west point, which his former student used against his teacher when Anderson commanded fort sumter. I hope this helps!