Environment/ time period of roe v. wade

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought

Which of the following would be the most immediate effect of sanctions on a country?

What made it difficult for mexican americans to win court cases against anglo americans who laid claim to their land