Had powers in curing and
Czar Nicholas and Alexandra's believed that
treating their son's hemophilia.

Rasputin

Explanation: Siberian peasant; self-appointed holy man who could supposedly cure the Alexis of Hemophilia

2 years later, he was introduced to Russian Czar Nicholas II and his wife Alexandra Feodorovna, who were seeking help for their sickly son, Alexis. Rasputin quickly gained their confidence by seemingly "curing" the boy of hemophilia.

Explanation:

1. The judicial review checks if the law passed by the congress is constitutional. This limits the power of the congress without it and it would have unlimited power, and could for example re-introduce slavery. The congress won't do it, because they know that the law would be deemed unconstitutional. 

2.  The president is foremost a Chief of State - that also means the Head of State. This means that the president represents the US, for example during the meeting of the Heads of State. 

3. The US Civil Service is the workforce of people working for the Government in non-military positions.They are employed, and not elected, so they don't have terms. Those positions include administrative positions in the government. 

4.The Cabinet is the Council of the heads of the departments which is the body that the President works with most directly, and it advises the president on their relevant areas of expertise.