Answer:
The Chinese system of writing was difficult to learn because it used thousands of complex characters.
Answer:
George H.W. Bush (1989 - 1993) and Bill Clinton (1993 - 2001)
Between 1935 and 1937, Congress passed three separate neutrality laws that clamped an embargo on arms sales to belligerents, forbade American ships from entering war zones and prohibited them from being armed, and barred Americans from traveling on belligerent ships.
1941 and 1945, across German-occupied Europe, Nazi Germany and its collaborators systematically murdered some six million Jews, around two-thirds of Europe's Jewish population.[a][c] The murders were carried out in pogroms and mass shootings; by a policy of extermination through work in concentration camps; and in gas chambers and gas vans in German extermination camps, chiefly Auschwitz, Bełżec, Chełmno, Majdanek, Sobibór, and Treblinka in occupied Poland