British blockade prevented
food and raw materials from reaching the central powers.
germany's ships from entering their own ports.
germany from collaborating with the central powers countries.
ships from leaving german ports to fight the allies.

answer: idk

explanation: because i just don't

cuba is a multi-ethnic nation

the correct answer is d

a conference committee is a group of congress representatives appointed by the senate and the house to reach an agreement over a bill that had different versions in each chamber. this is due to the fact that, to pass a law. both the house and the senate must agree on the exact same content and wording of the bill to present it to the president.