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
To efectively eradicate all enemies and gain more resources.
Answer:
I think the answer is They made Theodore Roosevelt famous but I'm not SUPER sure, sorry if wrong!
It started in 1939 and ended in 1945
A. is a duty of congress. They can say a law is unconstitutional based in their views on the law but they cant declare one unconstitutional. But the President can declare a law unconstitutional and change it.