What role did marriage play in the feudal systems of both europe and japan?

commoners could marry into the nobility.

marriage tightened alliances between noble families.

marriage was seen as an obstacle to a warrior's career.

noble parents arranged marriages for young children.

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.

Which of these were achievements of the safavid dynasty? check all that apply.

What are contributions made by rene descartes