Spanish conquering Mexico
Effect: Death of 2 continents. Deconstruction of thriving civilisations. 2 brand new continents for Europeans to put to use.
Cause: The Spaniards wondering if the Earth is actually round. During the journey the stumble upon the New World. Another cause is the greed and disrespect of the Spanish colonizers. The American natives were seen as primitive and savage, which the Spanish saw as a reason/excuse for killing their cities, people and culture.
In 1905 representatives of 43 groups who opposed the policies of American Federation of Labour, formed the radical labour organisation, the Industrial Workers of the World (IWW). The IWW's goal was to promote worker solidarity in the revolutionary struggle to overthrow the employing class.
C and a. 1111111111111111111111111111
Answer: D is right. But there are also many other reasons.
Explanation: League of Nations was formed by Allied powers (from the WW I) so consequently it was viewed as "League of Victors". Moreover USA did not join, may other states did not join and later on League of Nations was unable the prevent outbreak of WW II.
One thing I learned from the video was that after purchasing land from Napoleon, Lewis and Clark were sent to explore the land and they were accompanied by a Native American woman named Sacajawea who served as a guide.