What caused the demand for machinery and tools to increase? The Civil War was the cause of the demand.

Industries grew and cities became more populated.

The demand did not increase.

Farms grew and plantation owners needed supplies.

2) based on the information, which is an opinion rather than a fact about immigrants to north america? immigrants

Which of the following statements about new spain is true

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.