What event in 1955 led to a long legal battle to desegregate the
country?

Montgomery Bus Boycott

Explanation:

By December 1955, the Montgomery, Alabama, bus boycott led by Martin Luther King, Jr., began a protracted campaign of nonviolent civil disobedience to protest segregation that attracted national and international attention.

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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.