Sepoy Rebellion
Formation of the Indian National Congress
Formation of the British East India Company
Complete British colonization of India
1) The proclamation line was set in 1763
2) The Townsend Acts were passed in 1767
3) the Boston Massacre took place in 1770
The thing which was a major factor that threatened the major unity in the United States in the mid-19th century was:
<h3>The Great Depression</h3>
This refers to the period around 1929 in the United States which has a profound effect on the national economy.
This led to the failure of many banks, increase in unemployment and high deflation rates which all threatened the national unity.
Read more about Great Depression here:
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