Why has the demographics of America been constantly changing? Group of answer choices

a. Constant arrival of various kinds of immigrants

b. Constant increase in standard number of children in one family

c. Constant decrease in average life expectancy

d. Constant movement from inland states to coastal states

Which of the following statements concerning brazil since independence is not true? brazilians today can participate in politics through voting. brazil has been governed by dictators and elected officials. brazil became independent from portugal in 1822. brazil was the first country in the americas to end slavery.