"Cassie, you cracked?" cried Stacey. "Cassie, where you . . . get back here! Cassie!"

Stacey's words faded into the gray stillness of the January morning as I turned deaf ears to him and hurried after Lillian Jean. "Thanks for waiting up," I said when I caught up with her.

She stared down at me irritably. "What you want?"

—Roll of Thunder, Hear My Cry,
Mildred D. Taylor

What causes Stacey to call Cassie “cracked”?

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

the above statement/question is (true);

answer; (true);