The United States often uses sanctions to impose a penalty on a country. This is usually the first step taken when a country upsets another country, before violence is used.
Imperialism was basically the tension over colonies. This was a widely recognized reason for starting off WWI. Colonies were places that were taken in to control by other ruling countries. This made countries more powerful and <span>dominant, so this is linked to alliances that were made back then.</span>
You need to Paste the Chart you are talking about in order for me to answer it
Please give a time frame for this question
but I will still say that the answer is:
<span>The major cause of the growth of the workforce was an increase in immigrants.</span>
