Explanation:
The Progressive Era Summary
The Progressive Era (1896–1916) was a period of widespread social activism and political reform across the United States of America that spanned the 1890s to World War I. Progressive reformers were typically middle-class society women or Christian ministers.
A period that predates modern musical forms best describes the classical period. The classical period arrived between the baroque and romantic periods.
The basic difference between the classical and Baroque music has its complexity. The classical music was clearer in texture and has light in listening while Baroque music is more complex.
The classical music has clear melody lines and homo-phonic in nature. Ludwig van Beethoven, Wolfgang Amadeus Mozart, Joseph Haydn, and Franz Schubert were some best known composers of this period.
C. Less Food Crops were being grown.
My conclusion, given the paragraph given, is that the Belgians likely made the choice given rubbers value to plant rubber trees instead of food wherever practicable.
the allies declared war on germany