Which events contributed to the rise of terroism at the start of the twenty-first century ?

What would lead a historian to consider two events to have a relationship of correlation rather than causation

Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?

What is the purpose of biofertilizers? a reduce pollution b. reduce insect threats c. reduce erosion d reduce herbicide use select the best answer from the choices provided 0 0 0 0