How does a democratic guarantee the rights and freedom of people

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?