What are two native canadian groups

1) The First Nations (French: Premières Nations) are the various Aboriginal Canadians who are neither Inuit nor Métis.

2) Within Canada, "First Nations" (most often used in the plural) has come into general use—replacing the deprecated term "Indians"—for the indigenous peoples of the Americas.

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.        

the answer would be a)henry grady because he came up with the term "new south"