Eid al-Adha

Is cutting nails and trimming hair forbidden for a person who wants to offer sacrifice in his own country before Eid al-Adha? Sayyed Mohammad Al-Musawi	How do we answer people in this day and age who consider it animal cruelty to sacrifice an animal on Eid ul Adha? Amina Inloes
Is it true that one of our Imams (AS) said that one should sacrifice an animal on Eid al-Adha even if one has to take a loan? Sayyed Mohammad Al-Musawi	Is working on the day of Eid al-Adha permitted? If I worked on that day is the money I earned allowed? Sayyed Mohammad Al-Musawi