What is significant of the tenth amendment of the u. s. constitution?

How were returning african-american soldiers treated in american cities in 1919–1920?

The internal combustion engine was an innovation of

Germany italy and japan formed the tripartite pact in part because they: a. add chicken wings to the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. selena territories were threatened by aggressive foreign states