The difference is that the past is something that happened previously for example Maria singing, present is what is happening at this moment for example Juan is eating and the future is something that will happen after, for example, Lucy will play.
They are verb tenses
Answer:
fought legal reforms to protect their rights and win the right to vote.
Another phenomenon that compounded the nation's economic woes during the Great Depression was a wave of banking panics or “bank runs,” during which large numbers of anxious people withdrew their deposits in cash, forcing banks to liquidate loans and often leading to bank failure.Apr 23, 2010
Generally, yes, it is true that the economic restrictions placed on Italy, in response to their seizure of Ethiopia, did little to effect Italy’s economy or power, since during this time Italy was ruled by a fascist dictator, who didn't "play by the rules" when it came to international economics.