President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward
To increase the taxes as France at that time was facing economic crisis. this was due to the drainage of France's resources which had happened due to long years of war.
The answer is B) because the big 3, along with their allies established the league of nations which later developed into the united nations
Porfirio Diaz was president of Mexico in XIX century. His major achievements include:
1) introducing 'paz porfiriana' (internal stability in Mexico)
2) attracting foreign investments thanks to tax and other incentives
3) providing economic growth via reforms and modernization (Mexico was compared to countries like United Kingdom or France in terms of wealth)
4) creating effective centralised government