Nyob rau xyoo 1849, Massachusetts Lub Tsev Hais Plaub Siab tau txiav txim siab tias cov tsev kawm ntawv sib cais tau cais cov tsev kawm ntawv thoob plaws thawj ib nrab ntawm lub xyoo pua 20th muaj ntau qhov kev siv zog los tawm tsam kev cais tsev kawm ntawv, tab sis tsawg tsawg tau ua tiav. Txawm li cas los xij, hauv kev txiav txim siab 1954 nyob rau hauv Brown v. Board of Education rooj plaub, lub tebchaws United States Supreme Lub tsev hais plaub txiav txim cais nyob rau hauv pej xeem cov tsev kawm ntawv unconstitutional. https://en.wikipedia.org › wiki › School_integration_in_the_U…
Tsev kawm ntawv kev koom ua ke hauv Tebchaws Meskas - Wikipedia
tau tso cai raws li Txoj Cai Lij Choj ntawm Massachusetts (Roberts v. City of Boston). Segregation coj de jure, ces de facto daim ntawv nyob rau hauv Southern United States nrog rau txoj cai ntawm Jim Crow nyob rau hauv lub xyoo pua 19th.
Kev cais tawm hauv tsev kawm thaum twg?
Lub Tsev Hais Plaub Siab Tshaj Plaws tau tshaj tawm nws cov keeb kwm Brown v. Pawg Thawj Saib Xyuas Kev Kawm ntawm Topeka, Kansas, 347 US 483, ntawm Tsib Hlis 17, 1954. Muab khi rau Txoj Kev Hloov Kho 14th, qhov kev txiav txim siab tshaj tawm tag nrho cov kev cai lij choj tsim cov tsev kawm ntawv cais ua tsis raws cai, thiab nws tau thov kom tshem tawm txhua lub tsev kawm ntawv thoob plaws tebchaws.
Thaum twg cov tsev kawm ntawv tsis raug cais hauv Asmeskas?
In Brown v. Board of Education, 347 U. S. 483 (1954), Lub Tsev Hais Plaub Siab tau txiav txim siab cais cov tsev kawm ntawv pej xeem rau cov neeg dub thiab cov neeg dawb hauv xeev. Txoj Cai Civil Rights Act xyoo 1964 tau hloov pauv txhua txoj cai hauv xeev thiab hauv zosxav tau kev cais.
Thaum twg lub tsev kawm ntawv kawg desegregate?
Lub tsev kawm ntawv kawg uas tau muab cais tawm yog Cleveland High School hauv Cleveland, Mississippi. Qhov no tshwm sim hauv 2016. Qhov kev txiav txim kom desegregate lub tsev kawm ntawv no los ntawm tsoomfwv tus kws txiav txim plaub ntug, tom qab ntau xyoo ntawm kev tawm tsam. Cov ntaub ntawv no pib thaum xyoo 1965 los ntawm ib tug kawm qib plaub.
kev cais tawm qhov twg?
Los ntawm nws cov ntaub ntawv, Mendel tau tsim lub hauv paus ntsiab lus ntawm kev cais tawm. Tam sim no peb paub tias kev sib cais ntawm cov noob tshwm sim thaum meiosis hauv eukaryotes, uas yog txheej txheem uas tsim cov qe menyuam hu ua gametes.
