Give all raw materials to there country. Let them make finished or manufacturing goods, them sell them back to the colonies.
As Communism<span> in the Soviet Union and </span>Eastern Europe <span>began to collapse due to the revolutions taking place, pressure mounted on the </span>East<span> German authorities to open the Berlin border to the west. Thousands of Germans were escaping to the west through Hungary and the GDR was powerless to stop them.</span>
It was primarily "(4) decreasing population in cities of the South," that led to agricultural overproduction <span>and falling farm prices during the 1920s, since many people were moving north in order to find better job opportunities. </span>