the actions of jackie robinson, rosa parks, and malcolm x helped focus national attention on the need for reform in the area of

civil rights  

Explanation:

Robinson 's character, his usage non - violent resistance, as well as his indisputable talent, rejected the conventional justification of apartheid that then labelled several other aspects of people's lives. It changed american culture and made a significant contribution to that same civil rights era.

El-Hajj Malik El-Shabazz, commonly known here as Malcolm X, had been an American Muslim minister and human rights lawyer who was a respected person throughout the civil rights struggle. He is mainly remembered for his steadfast and problematic black racial activism, and for his hours wasted as an outspoken spokesperson for the Islamic Nation.

Rosa Louise McCauley Parks had been an American civil rights activist best known for her pivotal role in the bus boycott. The u.s. congress named her the "first lady of civil rights" and the "mother of free movement."

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.