in the 1890s, southern states enacted a new form of black codes, called “jim crow” laws. these laws made it illegal for blacks and whites to share public facilities. this meant tha...Read More
the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a stra...Read More
after the signature of the treaty of versailles in june 1919, germany lost nearly 25,000 square miles and a population of 7 million people. these territories included eupen-malmedy...Read More