Persia had a huge empire and had every intention to add Greece to their empire and thats why Persia attacked greece.
It did not increase demand for shipping and railways
Answer:
An explosion sank the battleship U.S.S Maine, killing 266 of 354 crew members.
The president exercises a check over Congress through his power to veto bills, but Congress may override any veto (excluding the so-called "pocket veto") by a two-thirds majority in each house. When the two houses of Congress cannot agree on a date for adjournment, the president may settle the dispute.
