1)
Are the crying and tears for the same matter?
1.
Malbim: No. She cries for Bnei Binyamin, and the tears are for Bnei Yosef 1 .
2)
What is "li'F'ulasecha"?
1.
Rashi (14, citing Eichah Rabah, Pesichah 24): You handed your Simanim over to your sister.
2.
Radak: It is the action of your children, who suffered exile for many years, and did not forget My name and did not transgress My covenant.
3.
Radak citing Targum Yonasan: The deeds of your virtuous fathers.
3)
Will all return from the land of the enemy?
1.
Malbim: No. Bnei Binyamin [and Yehudah] will return from Bavel.