The destruction of an entire religious or ethnic group

Who was the better president between richard nixon and john adams in terms of accomplishments ?

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

How would you summarize john hay's first request in the first open door note?