1)
What are the connotations of "Az Tirtzeh ha'Aretz es Shabsosehah"?
1.
Rashi, Seforno and Targum Yonasan It means that the land will [rest while Yisrael are in Galus,] and appease Hashem's anger 1 for the years of Sh'mitah [and Yovel that they transgressed whilst they lived in it]. 2
2.
Shabbos, 33a: It teaches us that for the sin of Sh'mitah Yisrael go into Galus and others come and live in their land. 3
1
Rashi: The anger of the land whose Sh'mitos were ignored will abate.
2
See Rashi in Chavakuk, 3:3. Seforno: As the Pasukl writes in Divrei Hayamim 2, 36:21.
3
Torah Temimah: See Pasuk 32.