What was the large movement of pioneers going west across the Oregon Trail called?
A
the Oxen Train
B
the Great Escape
C
the Westward Tide
D
the Great Emigration

It effectively opened the floodgates of pioneer migration along the Oregon Trail and became known as the Great Emigration of 1843.

The Great Emigration

Explanation:

It tells on the first paragraph of the story: "Westward migration really got going with the Great Emigration of 1843".

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

hello there the answer is a

sorry if i am wrong hope that : )