A new concept that became popular with department stores was using credit cards, and buying on credit: it allowed the users t posses good they cannot afford and on the other hand gave more revenue to the shops and they could charge interest.
Open Door policy, statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and in support of Chinese territorial and administrative integrity.
<span>Henry Ford perfected the assembly line.</span>
