Cause — All the major rivers in the state have been flowing

Cause — All the major rivers in the state have been flowing way over the danger level for the past few weeks.
Which of the following is / are possible effect(s) of the above cause ?
(1) Many villages situated near the river banks are sub-merged forcing residents
to flee.
(2) Govt. has decided to provide alternate shelter to all the affected villagers residing near the river banks.
(3) The entire state has been put on high flood alert.

1. Only (1)
2. Only (1) and (2)
3. Only (2) and (3)
4. All (1), (2) and (3)
5. None of these

After finding the cause of the sickness, necessary action should be taken.
Only III follows.