Dramatic increases in global grain production since 1950 have been made possible by *
substantial increases in the amount of land under cultivation
global warming
an increase in the urban workforce
an increase in the agricultural workforce
O
an increase in the use of energy and technology

Which sentence best describes the effect of the articles of confederation on the government

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.

(easy 35 ) i am a confederate general during the civil war. who am i? 1. ulysses s. grant 2. robert e. lee 3. george mcclellan 4. winfield scott