Good question it depends on how dangerous and the people
<span>1689 - signed by William and Mary; protected the rights of individuals; monarchs had to share power with Parliament; established limited government in England</span>
American Revolution and French Revolution I believed
These engines were very useful to move machinery in mills, factories, pumping stations and transportationapplications. In the field of transport,steam engines were often used inlocomotives, ships and other land vehicles. Steam machines were of great importance in their application in the field of agriculture.