Historically, stratification based on race and ethnicity has pervaded all aspects of political, economics, and social life. Consider sports as an example. Even after broke the "color line" in 1947 to become the first African American in Major League Baseball, his experience was marred by racial slurs, hate letters, and death threats.

Jackie Robinson

Explanation: Jackie Robinson was the first African-American to break the long change of colour line by playing in the major baseball league. He played for the Dolphin Dodgers on 15th, April 1947. This broke the colour line for good and made other African-Americans to participate in sporting activities and events.

answer: cannibalism, the capac raymi, capacocha, the eight day feast, the combing of the hair

explanation:

the incas have many rituals, cannibalism was always a very ritual thing, which was normally tied to sacrifices, warfare, death, and regeneration.

  the capac raymi was one of the most important ceremonies. it occurred around the summer solstice and was when they worshiped their sun god, also known as inti.

  the capacocho was another one of their most important ceremonies. it was when many children where selected to start their training, and these children where destined to become sacrificial blessings to their sun god, inti. being chosen for this ritual was a blessing.

  the eight day feast was a feast that lasted 8 days and, each day, the day began with a chanting at dawn. a follow up song at noon. which ended with complete silence at the end of the day. on this day, inca royalty was always dressed in silver and gold laced clothing.

  the combing of the hair was the most important ritual to young girls. this ritual was known as the coming of age ceremony, but only the most beautiful girls where chosen. in this ceremony, the girls chose their new name and where chosen as either brides, or princesses of rulers.