What impact did the caliphs have on the spread of islam?
1.the caliphs’ rule kept islam limited to the arabian peninsula.
2.the clans’ conflict over the caliphs’ control restricted the growth of islam.
3.caliphs came and went too quickly to have any significant impact on islam.
4.caliphs were able to spread islam as far as europe and india.

The correct answer is - 4. Caliphs were able to spread Islam as far as Europe and India.

The Caliphs were of great importance for the spreading of the Islamic religion. In a very short period of time, they managed to spread the new religion in the Middle East, most of Central Asia, east to the northwestern part of India, and northwestern part of China, through North Africa, and even into Europe on Spanish soil. They created a huge Islamic territory that lasted for few centuries, until the Mongols managed to conquer them and destroy them.

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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take five to 10 minutes to warm up and cool down properly.

plan to start slowly and boost your activity level gradually unless you are already exercising frequently and vigorously.

be aware that training too hard or too often can cause overuse injuries like stress fractures, stiff or sore joints and muscles, and inflamed tendons and ligaments. sports prompting repetitive wear and tear on certain parts of your body — such as swimming (shoulders), jogging (knees, ankles, and feet), tennis (elbows) — are often overuse culprits, too. a mix of different kinds of activities and sufficient rest is safer.

listen to your body. hold off on exercise when you're sick or feeling very fatigued. cut back if you cannot finish an exercise session, feel faint after exercise or fatigued during the day, or suffer persistent aches and pains in joints after exercising.

if you stop exercising for a while, drop back to a lower level of exercise initially. if you're doing strength training, for example, lift lighter weights or do fewer reps or sets.

for most people, simply drinking plenty of water is sufficient. but if you're working out especially hard or doing a marathon or triathlon, choose drinks that replace fluids plus essential electrolytes.

choose clothes and shoes designed for your type of exercise. replace shoes every six months as cushioning wears out.

for strength training, good form is essential. initially use no weight, or very light weights, when learning the exercises. never sacrifice good form by hurrying to finish reps or sets, or struggling to lift heavier weights.

exercising vigorously in hot, humid conditions can lead to serious overheating and dehydration. slow your pace when the temperature rises above 70°f. on days when the thermometer is expected to reach 80°f, exercise during cooler morning or evening hours or at an air-conditioned gym. watch for signs of overheating, such as headache, dizziness, nausea, faintness, cramps, or palpitations.

dress properly for cold-weather workouts to avoid hypothermia. depending on the temperature, wear layers you can peel off as you warm up. don't forget gloves.