How can economist precisely compare standards of living in different countries?

What would a student most likely use if he or she wanted to consult a secondary source

Brainliest will be given is conflict unavoidable among israel and its arab neighbors? why or why not? could stronger economic ties between israel and its arab neighbors reduce conflict? why or why not? what evidence supports your positions?

Which best describes california population when it became a state in 1850? a.because of the gold rush attracting settlers all over the world california population diverse.bcalifornia had banned foreign immigrants at the start of the gold rush.so,the states population was made up of entirely of americans from other parts of the country.c california had a large african population because many southern planters had moved their enslaved africans to start large farms.d the indian removal act had led to the relocation of thousands of eastern native americans to california.as,a result the majority of californias population was native american