Upward Control is one of them
<span>President Andrew Jackson fought bravely against the Indians in numerous wars before becoming president in 1828. President Jackson was a strong opponent of Indian tribes. On May 28, 1830, President Jackson signed into law the Indian Removal Act. Congress passed the treaty in order to relocate the Indian tribes living east of the Mississippi River to lands in the west. Although, the act did not order the removal of the Indians, it did allow the president to negotiate land by exchanging treaties with tribes living within the boundaries of the states.</span>
Answer:
Pivot – the point around which something turns
Beam – a wooden plank or solid rod that rests on the pivot
Load – the item or object being moved or lifted on the beam
Force – the effort or input needed to move the beam and the load
Answer:
B) The Case Study
Explanation:
The case study is a research method that generally uses qualitative data, collected from real events, to explain, explore or describe current phenomena inserted in their context. It is usually a way of deepening an individual unit. It serves to answer questions that the researcher does not have much control over the phenomenon studied. That's why it so risks because the researcher doesn't have control over the studied object.
