1. in 1933, congress repealed prohibition with the :

a. 18 amendment
b. 19 amendment
c. 20 amendment
d. 21 amendment

2. at its heart, the scopes trial was a clash between :

a. biology and science
b. education and science
c. evolution and science
d. religion and science

4. why were nativists opposed to immigration ?

a. they feared that an americans would be forced to move to other countries.
b. they feared. the loss of jobs and damage to america's traditions
c. they feared that an illegal would be elected president
d. they feared a war between theu. s & mex.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

all freedom fighters demanded for constitution. so british finally granted india it's freedom. then a constituent assembly was formed. it's chair man was rajendra prasad and its deputy chairman was dr. br ambedkar.

this assembly take the time of about one year than our constitution was finally formed.

explanation: