You put in cause #1 one thing that happened in the event and in effect #1 whatever happened say what that did for example say someone dropped skittles the effect would be a mess was made and then do the same for the 2nd case and effect
Monet and Renoir painted together.
Gutenburg's printing press made books cheaper and available to a larger variety of people. Before the printing press, books were very hard to make and they took a long time to produce.
Answer:
canals were built primarily in the north