Which of the following things were invented or first used in the 1950s? heart transplant chicken-pox vaccine microwave oven personal computer barcode laser

Hurrywhich of the following is characteristic of judicial restraint? basing decisions on previous decisionsoverturning existing legal precedentsdeclaring that the constitution must be changedinterpreting the constitution using a new method

How did the theory of social darwinism impact immigrants? it inspired in the immigrants pride that they were able to survive the harsh conditions of their home countries to come to the united states. it demonstrated that immigrants were the most suitable candidates for factory work because they were the most likely to immigrate to rural areas. it encouraged assimilation of immigrants into the american culture through education that involved courses in english and american food and clothing. it provided new american immigrants with a clearly defined social support system to ensure that basic nutritional, educational, employment, and health care needs were met.

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.