I can use the headright system to acquire land and work for myself growing crops

there is no chart here so no one can answer this.

go up to your profile picture in the top right hand. click on it. then click on edit profile. there you shall see delete account

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.