Answer:
Pioneer settlers were sometimes pulled west because they wanted to make a better living. Others received letters from friends or family members who had moved west. These letters often told about a good life on the frontier. The biggest factor that pulled pioneers west was the opportunity to buy land.
Explanation:
<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
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<span>The culture that exists in Indonesia </span>has been influenced by many different cultures because of its
location on major trade routes.
There were various reasons for the start of WWI starting with the assassination of Archduke Franz Ferdinand. That assassination was the “breaking point,” if you will. Other underlying reasons include tension created due to the formation of alliances within European nations and conflict due to the rise of imperialism.
