Which convention does German Renaissance artist Matthias Grünewald use in the Isenheim altarpiece? The altarpiece incorporates the medieval belief that art should communicate a religious idea.

The figures on the altarpiece have idealized proportion and facial expressions.

The artist followed the Italian Renaissance convention of using one-point perspective to create a sense of depth.

The altarpiece incorporates the Italian Renaissance ideal that art should communicate intellectual ideas.

This is a form of government run by elected leaders.this is a type of government in which a group of individual states are united under astrong, central government.this is a system of government in which the people participate directly in making allpublic policy.this is form of government in which a monarch is the head of state but his or her powersare restricted by law, usually within a parliamentary system.in this type of government, the elected head of the executive branch acts independentlyof the legislative and judicial branches.in this type of government, there is no clear-cut separation of powers between thelegislative and executive branches, though the legislative has most of the governmentalpower.in this type of government, the institutions of the state are governed as a single unit,with one constitutionally created legislature.this is a type of government in which power is held by a single, self-appointed ruler.