Describe the effect of each course listed in the diagram.

Explanation:

when they have already landed in north america now they will identify and think on where to settle in a cronological way.

for spanish they will start investigating and sharing ideas to one another on how to spread Gods laws and commands.

for britain they might be going to happen a certsin conflict between countries of who will be better than other countries they are more established and very powerful vountry that they can conquer other countries by using their weapons

For British abd indians dont sign tge treaty like the british supported tge indians because of their clever planings and all the arrangement that they had made so indians agreed and they both conqured tge country.Because at that time plain indians or the natives were very clever in making poisons abd weapons out of plants and that seemed to be veey reliable and very useful to kill its enemies

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.