No, George Washington was the President of the US. False statement.
A bill becomes law if signed by the President or if not signed within 10 days and Congress is in session. If Congress adjourns before the 10 days and the President has not signed the bill then it does not become law ("Pocket Veto.")
Because they had it thought out a land attack would have been costly and millions would have died so we had to choose the lesser of 2 evils... thousands to die. plus this was the only way to get the japs to surrender they were known for their fight to the death mentality