When embarking on a project, keith haring uses
1.no preliminary drawings or plans
2.elaborate blue prints
3.sketches
4.the work of other artists for inspiration

The correct answer is number 3.- sketches.

When embarking on a project, Keith Harding uses sketches.

Keith Harding (1958-1990) was an urban artist that painted graffiti murals inthe  subway stations in New York and he later became famous because of people’s acceptance of his work. He befriended with other artists form the underground art scene in New York like Kenny Sharf and Jean-Michelle Basquiat, which whom started painting graffiti in the city’s wall. Harding used sketches when he embarked on a project.  

a marriage ending by the death of a husband or wife.

explanation:

i don't see your choices but i'm just gonna give you my answer.

during the hitler era and it caused them to declare war on germany