The Islam will replace it.
1- no usury or interest.
2- no taxes other than only the Zakat (2.5%) of the annual income, and the one fifth (20%) of large income.
3- God will show blessings to believers ... crises will disappear, sufficient rain, productivity of land, peace among people, they work for their advantage with no transgression on others.
This is in the Quran 5: 65-66, which means:
{5:65. But had [Jews and Christians:] the people of the Bible believed [in that revealed to you: Mohammed] and warded off [the unbelief and the mischief], We would have acquitted them of their [past] sins and admitted them [on Judgment Day] to Gardens of Prosperity [to prosper therein.]
5: 66. And had they observed the Torah and the Gospel k, and what was revealed to them from their Lord [in the original Torah and the original Gospel, including the belief in Mohammed, the Seal of prophets], l they would surely have eaten [dates, fruits, 'manna' and birds] from above them, and [grains and vegetables] from below their feet.
Out of them are a group of reformers, but much many of them [are exceeding in sins – so] evil are their deeds.}
...........................................
k i.e. had they worked in the past according their statements, and hadn't they changed the monotheism (and the exclusive devotion to God alone), and hadn't they altered the religious rules included in them.
l i.e. then We would have increased Our blessings on them ..
