They said it was lacking a bill of rights
during times of war The two that I know most about are his suspension of Habeas Corpus and then his issuance of the Emancipation Proclamation. On the first issue, people will often discuss that Lincoln unlawfully suspended the writ of habeas corpus during the war thus violating American Constitutional rights.
It was called the open door policy made by Deng Xiaoping allowing foreign businesses to bet set in China paying a very low tax
Cotton gin was invented by Eli Whitney in 1793